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2010 Cadillac Truck SRX AWD V6-3.0L Page 304 瀚慖f the E4G headlamp-left low beam and the E4H headlamp-right low beam do not activate, test the control circuit for a short to ground or an open/high resistance. 6. Connect a test lamp between the B+ circuit terminal 86 and the control circuit terminal 85. 7. Ignition ON, command the Low Beam Lamps ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the commanded states. 瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the K9 BCM. 瀚慖f the test lamp is always OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 BCM. 8. If all circuits test normal, test or replace the KR49 headlamp low beam relay. Component Testing Relay Test 1. Ignition OFF, disconnect the KR49 headlamp low beam relay. 2. Test for 60-180 ohm between terminals 85 and 86. 瀚慖f not within the specified ran

2010 Cadillac Truck SRX AWD V6-3.0L Page 1277 瀚慖f the circuits test normal, replace the K20 ECM. Note: Testing for the following steps is performed on the fuel injector side of the multi-way harness connector. It may be necessary to remove the intake manifold to isolate the condition. 4. Ignition OFF, measure the resistance between the appropriate high voltage supply circuit and ground. The DMM should display OL ohm. 瀚慖f less than the specified range, test the high voltage supply circuit and the high voltage control circuit for a short to ground. If the circuits/connections test normal, test or replace the appropriate Q17 fuel injector(s). 5. Test for 2-3 ohm between the appropriate high voltage supply circuit and high voltage control circuit. 瀚慖f less than the specified range, test for a short between the high voltage supply circuit and high voltage control circuit. If the circuits/connections test normal, test or replace the appropriate Q17 fuel injector(s). 瀚慖f greater than the spec

2010 Cadillac Truck SRX AWD V6-3.0L Page 197 * Impact sensor wiring harness connector * SDM wiring harness connector Note: The connector and connector position assurance (CPA) may seat independent of each other. Both the connector and CPA should seat with an audible and/or tactile click. The CPA isolates the shorting-bars within the connector allowing the deployment circuit to operate properly. Replace any CPA that is damaged or missing. If the condition is intermittent or cannot be duplicated, disconnect the connectors and add Nyogel lubricant 760G. This procedure will correct the high resistance condition due to terminal fretting corrosion. 1. Verify that DTC B0083-B0088 symptom byte 39 or 71 is not set as current. 瀚慖f symptom byte 39 or 71 is set as current, replace the appropriate B59 front impact sensor or B63 side impact sensor. 2. Verify that the SDM calibrations match the VIN data, software part number, and calibration part number. 瀚慖f not the correct data or part number, progr

2010 Cadillac Truck SRX AWD V6-3.0L Page 401 B0954 06, B0955 06, B0956 06, or B0957 06 The parking assist control module has detected the voltage at the sensor circuit is less than 0.5 V. B0954 08, B0955 08, B0956 08, or B0957 08 The parking assist control module has received an invalid signal. B0954 21, B0955 21, B0956 21, or B0957 21 The object sensor determines no change in the position of an object while the vehicle is in motion. B0954 3A, B0955 3A, B0956 3A, or B0957 3A The parking assist control module determines the wrong sensor type is installed. Action Taken When the DTC Sets * The parking assist is disabled. * The driver information center displays SERVICE PARK ASSIST. Conditions for Clearing the DTC The condition for setting the DTC is no longer present. Reference Information Schematic Reference Object Detection Schematics (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Diagrams/Electrical Diagrams) Connector End View Reference Compone

2010 Cadillac Truck SRX AWD V6-3.0L Page 1471 normal and the ignition voltage circuit fuse is open, test all components connected to the ignition voltage circuit and replace as necessary. 5. Engine running, observe the Ignition Coil 1-6 Control Circuit Low Voltage Test Status on the scan tool. Test Status should be Ok or Not Run. 瀚慖f test status is Malfunction test for open or short to ground. 6. Engine running, observe the Ignition Coil 1-6 Control Circuit Open Test Status on the scan tool. Test Status should be Ok or Not Run. 瀚慖f test status is Malfunction test for open circuit. 7. Engine running, observe the Ignition Coil 1 6 Control Circuit High Voltage Test Status on the scan tool. Test Status should be Ok or Not Run. 瀚慖f test status is Malfunction test for short to voltage. 8. If all circuits test normal, test or replace the T8 ignition coil. Repair Instructions * T8 Ignition Coil Replacement - Bank 1 (See: Powertrain Management/Ignition System/Ignition Coil/Service and Repair/Ig

2010 Cadillac Truck SRX AWD V6-3.0L Page 1062 DTC P0053 - HO2S Heater Resistance Bank 1 Sensor 1 DTC P0054 - HO2S Heater Resistance Bank 1 Sensor 2 DTC P0056 - HO2S Heater Control Circuit Bank 2 Sensor 2 DTC P0059 - HO2S Heater Resistance Bank 2 Sensor 1 DTC P0060 - HO2S Heater Resistance Bank 2 Sensor 2 DTC P0135 - HO2S Heater Performance Bank 1 Sensor 1 DTC P0141 - HO2S Heater Performance Bank 1 Sensor 2 DTC P0155 - HO2S Heater Performance Bank 2 Sensor 1 DTC P0161 - HO2S Heater Performance Bank 2 Sensor 2 Diagnostic Fault Information Typical Scan Tool Data Circuit/System Description

2010 Cadillac Truck SRX AWD V6-3.0L Page 548 瀚慖f less than the specified range, test the circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K73 telematics communication interface control module. 瀚慖f greater than the specified range, test the circuit for a short to voltage. If the circuit tests normal, replace the K73 telematics communication interface control module. 4. If all circuit test normal, replace the B24 cellular phone microphone. Repair Instructions Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure. * Mobile Telephone Microphone Replacement (See: Accessories and Optional Equipment/Cellular Phone/Cellular Phone Microphone/Service and Repair) * Control Module References (See: Testing and Inspection/Programming and Relearning) for telematics communication interface control module replacement, setup, and programming B2462 DTC B2462 (OnStar/Navigation GPS Antenna) Diagnosti

2010 Cadillac Truck SRX AWD V6-3.0L Page 743 Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. * Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an overview of the diagnostic approach. * Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions) provides an overview of each diagnostic category. DTC Descriptors DTC B3948 02 - Left Front Turn Signal Circuit Short to Ground DTC B3949 02 - Right Front Turn Signal Circuit Short to Ground Diagnostic Fault Information Circuit/System Description Ground is applied at all times to the turn signal/multifunction switch. The turn signal lamps may only be activated with the ignition switch in the ON or START position

2010 Cadillac Truck SRX AWD V6-3.0L Page 184 DTC B0085 0C - Left Front Side Impact Sensor Low Current DTC B0085 39 - Left Front Side Impact Sensor Internal Malfunction DTC B0085 3A - Left Front Side Impact Sensor Incorrect Component Installed DTC B0085 71 - Left Front Side Impact Sensor Invalid Serial Data Received DTC B0086 01 - Right Front Side Impact Sensor Short to Battery DTC B0086 02 - Right Front Side Impact Sensor Short to Ground DTC B0086 04 - Right Front Side Impact Sensor Open DTC B0086 05 - Right Front Side Impact Sensor High/Voltage Open DTC B0086 0C - Right Front Side Impact Sensor Low Current DTC B0086 39 - Right Front Side Impact Sensor Internal Malfunction DTC B0086 3A - Right Front Side Impact Sensor Incorrect Component Installed DTC B0086 71 - Right Front Side Impact Sensor Invalid Data DTC B0087 01 - Left Rear Side Impact Sensor Short to Battery DTC B0087 02 - Left Rear Side Impact Sensor Short to Ground DTC B0087 04 - Left Rear Side Impact Sensor Open DTC B0087 05

2010 Cadillac Truck SRX AWD V6-3.0L Page 533 Note: Element resistance must be measured twice to ensure that all failure conditions are simulated. First with the seat unoccupied, then with the seat occupied. 6. Test for 1 - 7 Ohms between control circuit terminal 10 and control circuit terminal 4. 瀚慖f less than the specified range, test for a short between the control circuits. If the circuits test normal, replace the E14D seat cushion heating element. 瀚慖f greater than the specified range, test the control circuits for an open/high resistance. If the circuits test normal, replace the E14D seat cushion heating element. 7. If all circuits test normal, replace the K40 seat memory control module. Repair Instructions Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure. * Driver or Passenger Seat Back Cushion Heater Replacement (See: Body and Frame/Seats/Seat Temperature Element/Service and Repair/Driver or Passenger Seat Back Cushion

2010 Cadillac Truck SRX AWD V6-3.0L Page 88 DTC B0020 02 - Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Short to Ground DTC B0020 04 - Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Open DTC B0020 0D - Passenger Instrument Panel Air Bag Deployment Loop Stage 2 High Resistance DTC B0020 0E - Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Low Resistance DTC B0021 01 - Passenger Seat Side Air Bag Deployment Loop Short to Battery DTC B0021 02 - Passenger Seat Side Air Bag Deployment Loop Short to Ground DTC B0021 04 - Passenger Seat Side Air Bag Deployment Loop Open DTC B0021 0D - Passenger Seat Side Air Bag Deployment Loop High Resistance DTC B0021 0E - Passenger Seat Side Air Bag Deployment Loop Low Resistance DTC B0022 01 - Passenger Seat Belt Retractor Pretensioner Deployment Loop Short to Battery DTC B0022 02 - Passenger Seat Belt Retractor Pretensioner Deployment Loop Short to Ground DTC B0022 04 - Passenger Seat Belt Retractor Pretensioner Deplo

2010 Cadillac Truck SRX AWD V6-3.0L Page 1484 Procedures/Connector Repairs/Connector Repairs) * Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections) * Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring Repairs/Wiring Repairs) DTC Type Reference Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code (DTC) Type Definitions) Scan Tool Reference Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information Circuit/System Verification Note: Do not run secondary air injection pump for more than 1-2 minutes at a time. Running for an extended period of time without allowing pump to cool may cause damage

2010 Cadillac Truck SRX AWD V6-3.0L Page 114 Check - Vehicle) prior to using this diagnostic procedure. * Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an overview of the diagnostic approach. * Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions) provides an overview of each diagnostic category. DTC Descriptors DTC B0014 01 - Driver Seat Side Air Bag Deployment Loop Short to Battery DTC B0014 02 - Driver Seat Side Air Bag Deployment Loop Short to Ground DTC B0014 04 - Driver Seat Side Air Bag Deployment Loop Open DTC B0014 0D - Driver Seat Side Air Bag Deployment Loop High Resistance DTC B0014 0E - Driver Seat Side Air Bag Deployment Loop Low Resistance DTC B0015 01 - Driver Seat Belt Retractor Pretensioner Deployment Loop Short to Battery DTC B0015 02 - Driver Seat Belt Retractor Pretensioner Deployment Loop Sho

2010 Cadillac Truck SRX AWD V6-3.0L Page 369 The sunshade module has detected and reported via the LIN-Bus that the sunroof sunshade position select switch circuit is open or shorted to voltage. B369B 59 The sunshade module has detected and reported via the LIN-Bus that the sunroof sunshade position select switch has been the same active position for 20 s after the glass has stopped moving in the requested direction due to reaching the end of the allowable motion. Action Taken When the DTC Sets DTC B369B is stored in the body control module (BCM) memory. Conditions for Clearing the DTC The BCM no longer detects a malfunction in the sunroof sunshade position select switch signal circuit. Reference Information Schematic Reference Sunroof Schematics (See: Body and Frame/Roof and Associated Components/Sunroof / Moonroof/Diagrams/Electrical Diagrams) Connector End View Reference Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name) Description and Operati

2010 Cadillac Truck SRX AWD V6-3.0L Page 689 Procedures/Connector Repairs/Connector Repairs) * Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections) * Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring Repairs/Wiring Repairs) Scan Tool Reference Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information Circuit/System Testing DTC B3715 1. Ignition OFF, disconnect the KR12B windshield wiper relay. 2. Test for less than 5 ohm between the ground circuit terminal 85 and ground. 瀚慖f greater than the specified range, test the ground circuit for an open/high resistance. 3. Connect a test lamp between the control circuit terminal 86 and ground. 4. Ignition ON, command the low speed

2010 Cadillac Truck SRX AWD V6-3.0L Page 1163 瀚慖f less than the specified range, test for a short between the high voltage supply circuit and high voltage control circuit. If the circuits/connections test normal, test or replace the appropriate Q17 fuel injector(s). 瀚慖f greater than the specified range, test the high voltage supply circuit and high voltage control circuit for an open/high resistance. If the circuits/connections test normal, test or replace the appropriate Q17 fuel injector. Component Testing * Fuel Injector Solenoid Coil Test (LAU) (See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Testing and Inspection )Fuel Injector Solenoid Coil Test (LF1, LFW) (See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Testing and Inspection) * Fuel Injector Balance Test (LAU) (See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component Tests and General Diagnostics/Fuel Injector Balance Test)Fuel Injector Balance

2010 Cadillac Truck SRX AWD V6-3.0L Page 620 Control Module References (See: Testing and Inspection/Programming and Relearning)for scan tool information Circuit/System Verification Verify none of the following DTCs are set: * DTC B3109 * DTC B3110 * DTC B3111 * DTC B3112 * DTC B3113 If any of the DTCs are set, replace the battery in the appropriate keyless entry transmitter. Operate the transmitter 3 consecutive times. If the DTC resets, replace the keyless entry transmitter. Repair Instructions Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure. Replacing Keys (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Service and Repair/Replacing Keys) B3113 DTC B3109-B3113 Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. * Review Strategy Based D

2010 Cadillac Truck SRX AWD V6-3.0L Page 1316 Schematic Reference Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics (LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram) Connector End View Reference Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name) Description and Operation Fuel System Description (LF1) (See: Powertrain Management/Fuel Delivery and Air Induction/Description and Operation/Fuel System Description)Fuel System Description (LAU or LY7) (See: Powertrain Management/Fuel Delivery and Air Induction/Description and Operation/Fuel System Description) Electrical Information Reference * Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit Testing/Circuit Testing) * Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General

2010 Cadillac Truck SRX AWD V6-3.0L Page 891 DTC C1209 00 - Left Rear Wheel Speed Sensor Circuit High Input Malfunction DTC C1210 00 - Right Rear Wheel Speed Sensor Circuit High Input Malfunction DTC C1221 00 - Left Front Wheel Speed Sensor Circuit Malfunction DTC C1222 00 - Right Front Wheel Speed Sensor Circuit Malfunction DTC C1223 00 - Left Rear Wheel Speed Sensor Circuit Malfunction DTC C1224 00 - Right Rear Wheel Speed Sensor Circuit Malfunction DTC C1225 00 - Left Front Wheel Speed Sensor Circuit Performance Malfunction DTC C1226 00 - Right Front Wheel Speed Sensor Circuit Performance Malfunction DTC C1227 00 - Left Rear Wheel Speed Sensor Circuit Performance Malfunction DTC C1228 00 - Right Rear Wheel Speed Sensor Circuit Performance Malfunction DTC C1232 00 - Left Front Wheel Speed Sensor Circuit Low Input Malfunction DTC C1233 00 - Right Front Wheel Speed Sensor Circuit Low Input Malfunction DTC C1234 00 - Left Rear Wheel Speed Sensor Circuit Low Input Malfunction DTC C1235 0

2010 Cadillac Truck SRX AWD V6-3.0L Page 553 Repair Instructions Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure. * Radio Antenna Base Replacement (See: Accessories and Optional Equipment/Antenna/Antenna, Radio/Service and Repair/Radio Antenna Base Replacement) * Control Module References (See: Testing and Inspection/Programming and Relearning) for telematics communication interface control module replacement, setup, and programming B2476 DTC B2476 or B2482 Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. * Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an overview of the diagnostic approach. * Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspe

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2010 Cadillac Truck SRX AWD V6-3.0L Page 146 * The SDM requests the instrument cluster to illuminate the AIR BAG indicator. * The SDM will store a DTC, however if an event occurs the system will still attempt deployments. Conditions for Clearing the DTC * The condition for setting the DTC no longer exists. * A history DTC will clear once 100 malfunction-free ignition cycles have occurred. Diagnostic Aid Note: The following diagnostic aids apply for both current and history DTCs. An incorrectly installed CPA or incorrectly seated connector can cause a shorting bar to short both control circuits together. Check the connectors and CPAs if a DTC with symptom byte 02 or 0E is set, to ensure the shorting bars are not causing the circuits to be shorted together. Shorting bars are used in the locations listed below: * Passenger instrument panel air bag * Driver and passenger seat side air bags * Left and right roof rail air bags * Driver and passenger seat belt retractor pretensioners * SDM *

2010 Cadillac Truck SRX AWD V6-3.0L Page 675 Action Taken When the DTC Sets Adjustable pedals operation will be disabled. Conditions for Clearing the DTC * The current DTC will clear and set the code to history, 3 seconds after the fault is no longer present and the power mode changes to OFF then back to ACC or RUN. * The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred. Reference Information Schematic Reference Adjustable Pedal Schematics (See: Accessories and Optional Equipment/Pedal Positioning System/Diagrams/Electrical Diagrams) Connector End View Reference Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name) Description and Operation Adjustable Pedals Description and Operation (See: Accessories and Optional Equipment/Pedal Positioning System/Description and Operation) Electrical Information Reference * Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Dia

2010 Cadillac Truck SRX AWD V6-3.0L Page 248 The HVAC control module detects the sensor signal out of range. The signal voltage is less than 0.1 V or greater than 4.9 V for more than 50 ms. B0183 02 The 5 V identification pulse is not received. B0183 05 The input signal is static and greater than 4.8 V. B1405 02 Clocked supply for multi zone sensor is shorted to ground. B1405 05 Clocked supply for multi zone sensor is shorted to voltage or open. Action Taken When the DTC Sets * The system will use the last valid values as default. * If no value is read at the time of fault, the HVAC Control Module uses 0 W/m(2) as intensity, 45掳 for elevation and -75掳 for azimuth. Conditions for Clearing the DTC B0163 02 or B0163 05 The sensor signal is within specified range between 0.1-4.9 V. B0183 02 The 5 V identification pulse will be received. B0183 05 The correct pulse signal succession will be received. B1405 02 or B1405 05 The condition for setting the DTC is no longer present. Reference Infor

2010 Cadillac Truck SRX AWD V6-3.0L Page 1338 DTC P0203 - Cylinder 3 Injector Control Circuit DTC P0204 - Cylinder 4 Injector Control Circuit DTC P0205 - Cylinder 5 Injector Control Circuit DTC P0206 - Cylinder 6 Injector Control Circuit DTC P0261 - Cylinder 1 Injector Control Circuit Low Voltage DTC P0262 - Cylinder 1 Injector Control Circuit High Voltage DTC P0264 - Cylinder 2 Injector Control Circuit Low Voltage DTC P0265 - Cylinder 2 Injector Control Circuit High Voltage DTC P0267 - Cylinder 3 Injector Control Circuit Low Voltage DTC P0268 - Cylinder 3 Injector Control Circuit High Voltage DTC P0270 - Cylinder 4 Injector Control Circuit Low Voltage DTC P0271 - Cylinder 4 Injector Control Circuit High Voltage DTC P0273 - Cylinder 5 Injector Control Circuit Low Voltage DTC P0274 - Cylinder 5 Injector Control Circuit High Voltage DTC P0276 - Cylinder 6 Injector Control Circuit Low Voltage DTC P0277 - Cylinder 6 Injector Control Circuit High Voltage Diagnostic Fault Information

2010 Cadillac Truck SRX AWD V6-3.0L Page 1487 Circuit/System Testing 1. Ignition OFF, remove the KR25 secondary air injection pump relay. 2. Ignition ON, verify that a test lamp does not illuminate between the controlled output circuit terminal 30 and ground. 瀚慖f the test lamp illuminates, test the controlled output circuit for a short to voltage. 3. Verify that a test lamp illuminates between the secondary air injection pump relay coil B+ circuit terminal 86 and ground. 瀚慖f the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance. If the circuit tests normal and the ignition circuit fuse is open, test all components connected to the ignition circuit and replace as necessary. 4. Connect a test lamp between the control circuit terminal 85 and the secondary air injection pump relay coil B+ circuit terminal 86. 5. Command the secondary air injection pump relay ON and OFF with a scan tool. The test lamp should turn ON and OFF when changi

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2010 Cadillac Truck SRX AWD V6-3.0L Page 879 * Control Module References (See: Testing and Inspection/Programming and Relearning)for BCM replacement, programming and setup C1100 DTC C1100 Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. * Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an overview of the diagnostic approach. * Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions)provides an overview of each diagnostic category. DTC Descriptors DTC C1100 00 - Brake Pressure Sensor 2 Malfunction DTC C1100 01 - Brake Pressure Sensor 2 Short to Battery DTC C1100 02 - Brake Pressure Sensor 2 Short to Ground DTC C1100 08 - Brake Pressure Sensor 2 Perfor

2010 Cadillac Truck SRX AWD V6-3.0L Page 190 DTC B0088 05 - Right Rear Side Impact Sensor High/Voltage Open DTC B0088 0C - Right Rear Side Impact Sensor Low Current DTC B0088 39 - Right Rear Side Impact Sensor Internal Malfunction DTC B0088 3A - Right Rear Side Impact Sensor Incorrect Component Installed DTC B0088 71 - Right Rear Side Impact Sensor Invalid Data Diagnostic Fault Information Circuit/System Description The impact sensors are equipped on vehicles to supplement the Supplemental Inflatable Restraint (SIR) System performance. The impact sensors are electronic and are not part of the deployment loops, but instead provide inputs to the sensing and diagnostic module (SDM). The impact sensors can assist in determining the severity of some frontal and side collisions. The SDM uses the input from the impact sensors to assist in determining the severity of a collision further supporting air bag deployment. If the SDM determines a deployment is warranted, the SDM will cause current t

2010 Cadillac Truck SRX AWD V6-3.0L Page 906 C1233 DTC C1207-C1210, C1221-C1228, or C1232-C1235 Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. * Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an overview of the diagnostic approach. * Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions)provides an overview of each diagnostic category. DTC Descriptor DTC C1207 00 - Left Front Wheel Speed Sensor Circuit High Input Malfunction DTC C1208 00 - Right Front Wheel Speed Sensor Circuit High Input Malfunction DTC C1209 00 - Left Rear Wheel Speed Sensor Circuit High Input Malfunction DTC C1210 00 - Right Rear Wheel Speed Sensor Circuit High Input Malfunct

2010 Cadillac Truck SRX AWD V6-3.0L Page 882 - Right Rear Wheel Speed Sensor Circuit Low Input Malfunction Circuit/System Description The wheel speeds are detected by active wheel speed sensors. Each wheel speed sensor receives a 12 V reference voltage from the electronic brake control module (EBCM) and provides an alternating current square wave signal to the EBCM. As the wheel spins, the EBCM uses the frequency of the square wave signal to calculate the wheel speed. The EBCM sends the wheel speed information as a high speed controller area network (CAN) serial data message. Conditions for Running the DTC Ignition ON Conditions for Setting the DTC A supervised periodic message that includes the wheel speed serial data has not been received. Action Taken When the DTC Sets Specific subsystems will not function or operate in degraded mode. Conditions for Clearing the DTC A current DTC clears when the diagnostic runs and passes. Reference Information Schematic Reference Antilock Brake Sys

2010 Cadillac Truck SRX AWD V6-3.0L Page 1246 overview of the diagnostic approach. * Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions) provides an overview of each diagnostic category. DTC Descriptors DTC P0171 - Fuel Trim System Lean Bank 1 DTC P0172 - Fuel Trim System Rich Bank 1 DTC P0174 - Fuel Trim System Lean Bank 2 DTC P0175 - Fuel Trim System Rich Bank 2 Circuit/System Description The engine control module (ECM) controls a Closed Loop air/fuel metering system in order to provide the best possible combination of driveability, fuel economy, and emission control. The ECM monitors the heated oxygen sensor (HO2S) signal voltage, and adjusts the fuel delivery based on the signal voltage while in Closed Loop. A change made to the fuel delivery changes the long and short term fuel trim values. The short term fuel trim values change rapidly in response to the HO2S signal voltages. These changes fi