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2010 Cadillac Truck SRX AWD V6-3.0L Page 1211 * The torque converter clutch (TCC) is applied. * The DTCs run once per ignition cycle, during decel fuel cut-off (DFCO), when the above conditions are met. P013B P013D, P013F, or P014B * Before the ECM can report DTC P013B, or P013D failed, DTCs P013A, P013C, P013E, P013F, P014A, P014B, P2270, P2271, P2272, and P2273 must run and pass. * Before the ECM can report DTC P013F, or P014B failed, DTCs P013A, P013C, P013E, P014A, P2270, P2271, P2272, and P2273 must run and pass. * DTCs P0030, P0036, P0053, P0054, P0101, P0102, P0103, P0106, P0107, P0108, P0120, P0121, P0122, P0123, P0131, P0132, P0133, P0134, P0135, P0137, P0138, P013A, P013B, P013E, P013F, P0140, P0141, P0171, P0172, P0201, P0202, P0203, P0204, P0220, P0222, P0223, P0300, P0442, P0443, P0446, P0449, P0455, P0496, P1133, P1174, P1516, P2101, P2119, P2135, P2176, P2270, P2271, P2A00 are not set. * The ignition 1 voltage is between 10-32 V. * The learned heater resistance is valid....

2010 Cadillac Truck SRX AWD V6-3.0L Page 6

2010 Cadillac Truck SRX AWD V6-3.0L Page 570 * 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 B2540 02 - Rear Fog Lamps Control Circuit Short to Ground Diagnostic Fault Information Circuit/System Description The body control module (BCM) energizes the rear fog lamp by applying voltage to the rear fog lamp control circuit. When the rear fog lamp control circuit is energized the rear fog lamp is illuminated. Conditions for Running the DTC Rear fog lamp activated Conditions for Setting the DTC The BCM detects a short to ground on the rear fog lamp control circuit. Action Taken When the DTC Sets The rear fog lamp will be inoperative. Conditions for Clearing...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1228 Circuit/System Testing Note: You must perform the Circuit/System Verification before proceeding with Circuit/System Testing. 1. Ignition OFF, disconnect the harness connector at the S87 fuel economy mode switch. Note: It may take up to 2 minutes for all vehicle systems to power down. 2. Ignition OFF and all vehicle systems OFF, test for less than 5 ohm between ground circuit terminal 2 of the harness connector and ground. 瀚慖f greater than the specified value, test the ground circuit for an open/high resistance and repair as necessary. 3. Ignition ON, test for 4.8-5.2 V between 5 V reference circuit terminal 9 of the harness connector and ground. 瀚慖f less than the specified range, test the 5 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K20 ECM. 瀚慖f greater than the specified range, test the 5 V reference circuit for a short to voltage. If the circuit tests normal, replace the ...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1035 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 Electrical Diagnostic 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/Test...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1508 瀚慖f greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K20 ECM. 3. Ignition ON, test for 4.8-5.2V between the 5V reference circuit terminal 3 and ground. 瀚慖f less than the specified range, test the 5V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K20 ECM. 瀚慖f greater than the specified range, test the 5V reference circuit for a short to voltage. If the circuit tests normal, replace the ECM. 4. Verify the scan tool B150 fuel tank pressure sensor parameter is less than 0.2V. 瀚慖f greater than the specified range, test the signal circuit terminal 1 for a short to voltage. If the circuit tests normal, replace the K20 ECM. 5. Install a 3A fused jumper wire between the signal circuit terminal 1 and the 5V reference circuit terminal 3. Verify the scan tool fuel tank pressure sensor parameter is greater t...

2010 Cadillac Truck SRX AWD V6-3.0L Page 716 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 Verification Ignition ON, command the E6 center high mounted stop lamp ON and OFF by applying and releasing the brake pedal. The E6 center high mounted stop lamp should turn ON and OFF each time the brake pedal is applied and released. Circuit/System Testing 1. Ignition OFF, disconnect the harness connector at the E6 center high mounted stop lamp. 2. Test for less than 30 ohm between the ground circuit terminal B and ground. 瀚慖f greater than the specified value, test the ground circuit for an open/high resistance. 3. Connect a test lamp bet...

2010 Cadillac Truck SRX AWD V6-3.0L Page 174 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 147 - SDM wiring harness connector - Roof rail air bag wiring harness connector - Seat side air bag wiring harness connector - Passenger instrument panel air bag wiring harness connector - Seat belt retractor pretensioner wiring harness connector * 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. * 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. Observe the scan tool Deployment Loop Resistance parameters while moving the harness near each connector listed below. The reading should stay consistently between 1.7 and 4.2 ohm without any drop outs or spikes. * F105 Pass...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1092 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 P064A - Fuel Pump Control Module Performance DTC P1255 - Fuel Pump Control Module Driver Over-temperature Circuit/System Description The engine control module (ECM) supplies voltage to the fuel pump control module when the ECM detects that the ignition is on. The voltage from the ECM to the fuel pump control module remains active for 2 seconds, unless the engine is in crank or run. While this voltage is being received, the fuel pump control module supplies a varying voltage to the fuel tank pump module in order to maintain the desired fuel rail pressure. Conditions for Running the DTC The engine is running. Conditions for Setting the DTC The fuel pump control module detects an over-temperature f...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1289 P2147, P2150, P2153, P2156, P216B, or P216E The ECM detects the injector high voltage supply circuit is shorted to ground for greater than 2 s. P2148, P2151, P2154, P2157, P216C, or P216F The ECM detects the injector high voltage supply circuit is shorted to voltage for greater than 2 s. Action Taken When the DTC Sets DTCs P2147, P2148, P2150, P2151, P2153, P2154, P2156, P2157, P216B, P216C, P216E, and P216F are Type A DTCs. Conditions for Clearing the DTC DTCs P2147, P2148, P2150, P2151, P2153, P2154, P2156, P2157, P216B, P216C, P216E, and P216F are Type A DTCs. Diagnostic Aids * Performing the fuel injector coil test may help isolate an intermittent condition. Refer to 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 Inspecti...

2010 Cadillac Truck SRX AWD V6-3.0L Page 600 * Fuse Block Replacement (See: Maintenance/Fuses and Circuit Breakers/Fuse Block/Service and Repair/Removal and Replacement/Fuse Block Replacement) * Control Module References (See: Testing and Inspection/Programming and Relearning)for BCM replacement, setup and programming B2897 DTC B2897 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 B2897 02 - Steering Column Lock Motor Lock Circuit Sho...

2010 Cadillac Truck SRX AWD V6-3.0L Page 135 Circuit/System Description Stepper motors are used for temperature regulation, air distribution control and recirculation door control. With the appropriate switches at the Radio/HVAC control, the desired air temperature door position, air distribution door position and recirculation door position can be put in. The selected values are passed to the HVAC control module via the LIN-Bus. The HVAC control module supplies a 12 V reference voltage to the stepper motors and energizes the 4 stepper motor coils with a pulsed ground signal. The stepper motors put the appropriate door into the calculated position, in order to reach the put in temperature/position. Conditions for Running the DTC * Ignition ON. * The HVAC control module is ON. Conditions for Setting the DTC B023A 02 The stepper motors supply output is shorted to ground. B0223 01, B022A 01, B0233 01, B0408 01, B0418 01, B0428 01 or B3531 01 At least one control output (of four possible o...

2010 Cadillac Truck SRX AWD V6-3.0L Page 380 The air temperature sensors are a 2-wire negative temperature co-efficient thermistor. The vehicle uses the following air temperature sensors: * Air temperature sensor - left upper * Air temperature sensor - left lower * Air temperature sensor - right upper * Air temperature sensor - right lower * Air temperature sensor - rear upper (only with CJ4) * Air temperature sensor - rear lower (only with CJ4) * A/C evaporator temperature sensor A signal and low reference circuit enables the sensor to operate. As the air temperature surrounding the sensor increases, the sensor resistance decreases. The sensor signal voltage decreases as the resistance decreases. The sensor operates within a temperature range between -40 to +85掳C (-40 to +185掳F). The sensor signal varies between 0-5 V. The HVAC control module converts the signal to a range between 0-255 counts. As the air temperature increases the count value will decrease. If the HVAC control module ...

2010 Cadillac Truck SRX AWD V6-3.0L Page 916 瀚慖f a DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle). 2. Ignition ON, command the Fuel Pressure Regulator ON and OFF with a scan tool while observing the following control circuit status parameters: * Fuel Pressure Regulator Control Circuit High Voltage Test Status * Fuel Pressure Regulator Control Circuit Open Test Status * Fuel Pressure Regulator Control Circuit Low Voltage Test Status * Fuel Pressure Regulator High Control Circuit High Voltage Test Status * Fuel Pressure Regulator High Control Circuit Open Test Status * Fuel Pressure Regulator High Control Circuit Low Voltage Test Status Each parameter should toggle between OK and Not Run or Not Run and OK. 3. Engine idling, observe the Fuel Rail Pressure Sensor parameter with a scan tool. The pressure should be approximately 1.9-2.1 MPa (279-305 psi). 4. Command an increase and dec...

2010 Cadillac Truck SRX AWD V6-3.0L Page 443 DTC Descriptors DTC B1288 01 - Video Display Mode Control Signal Short to Battery DTC B1288 02 - Video Display Mode Control Signal Short to Ground DTC B1288 04 - Video Display Mode Control Signal Open Circuit Diagnostic Fault Information Circuit/System Description The radio can command the seatback video display mode on vehicles equipped with rear seat entertainment (RSE) video. The radio utilizes discreet mode control circuits to each display to control the screen display mode via a pulse width modulated signal. If the display screen does not receive a signal, the display screen will operate in a default full screen mode. Conditions for Running the DTC * Ignition ON. * Battery voltage must be between 9-16 volts. Conditions for Setting the DTC The DTC will set when the radio detects a short to voltage, short to ground, or an open/high resistance in the video display mode control circuit 400 ms after the radio activates the remote enable circ...

2010 Cadillac Truck SRX AWD V6-3.0L Page 279 Circuit/System Description The system is designed so that when the operator approaches a locked vehicle with the keyless entry transmitter, the keyless entry control module will detect the keyless entry transmitter and when an exterior door handle is pulled the keyless entry control module will command all doors to unlock and the door to unlatch allowing the door to be pulled open. Conditions for Running the DTC The system voltage is 9-16 V. Conditions for Setting the DTC B251A 01 The keyless entry control module detects a short to voltage on the passenger or left rear or right rear door latch motor unlatch low control circuit. B251A 02 The keyless entry control module detects a short to ground on the passenger or left rear or right rear door latch motor unlatch low control circuit. B251A 02 The BCM detects a short to ground on the passenger door lock actuator unlock control circuit. B251B 04 The keyless entry control module detects an open/...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1353 - 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 Circuit/System Description

2010 Cadillac Truck SRX AWD V6-3.0L Page 506 * 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 1. Ignition OFF, disconnect the harness connector at the appropriate driver seat motor listed below for which the DTC set: * M50 seat front vertical motor * M55 seat rear vertical motor * M51 seat horizontal motor * M56 seat back recline motor 2. Ignition ON, test for B+ between the 12 V reference circuit terminal 4 and ground. 瀚慖f less than the specified value, test the 12 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K40 seat memory control module. 3. Test for 0.3 - 2 V between the signal circuit terminal 2 and ground. 瀚慖f less than the specified range, test the signal ci...

2010 Cadillac Truck SRX AWD V6-3.0L Page 701 * 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 B3849 02 - Driver Exterior Door Handle Switch Circuit Short to Ground Diagnostic Fault Information Circuit/System Description The keyless entry control module supplies a 12V signal to the exterior driver door handle switch. When the driver door handle is activated, the switch closes and the voltage signal from the keyless entry control module are pulled to ground, thi...

2010 Cadillac Truck SRX AWD V6-3.0L Page 536 and programming With KA6 DTC B2425 or B2430 (With KA6) 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 B2425 0B - Left Seat Cushion Heater Circuit High Current DTC B2425 0D - Left Seat Cushion Heater Circuit High Resistance DTC B2425 0E - Left Seat Cushion Heater Circuit Low Resistance DTC B2430 0B - Right Seat Cushion Heater Circuit High Current DTC B2430 0D - Right Seat Cushion Heater Cir...

2010 Cadillac Truck SRX AWD V6-3.0L Page 770 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 C0035 06 - Left Front Wheel Speed Sensor Circuit Low Voltage/Open DTC C0035 0F - Left Front Wheel Speed Sensor Circuit Signal Erratic DTC C0035 18 - Left Front Wheel Speed Sensor Circuit Low Signal Amplitude DTC C0035 5A - Left Front Wheel Speed Sensor Circuit Not Plausible DTC C0040 06 - Right Front Wheel Speed Sensor Circuit Low Voltage/Open DTC C0040 0F - Right Front Wheel Speed Sensor Circuit Signal Erratic DTC C0040 18 - Right Front Wheel Speed Sensor Circuit Low Signal Amplitude DTC C0040 5A - Rig...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1015 1. Ignition OFF, disconnect the harness connector at the B47 fuel pressure sensor. 2. Ignition OFF, test for less than 1 ohm between the low reference circuit terminal 2 and ground. 瀚慖f greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K27 fuel pump flow control module. 3. Ignition ON, test for 4.8-5.2 V between the B47 fuel pressure sensor 5 V reference circuit terminal 3 and ground. 瀚慖f less than the specified range, test the 5 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K27 fuel pump flow control module. 瀚慖f greater than the specified range, test the 5 V reference circuit for a short to voltage. If the circuit tests normal, replace the K27 fuel pump flow control module. 4. Verify the scan tool fuel pressure sensor voltage is less than 1 V. 瀚慖f greater than the specified range, test the si...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1535 6. Operate the vehicle within the conditions for running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data. 瀚慖f the DTC resets, replace the ECM. Repair Instructions Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure. * ECM or TCM-Refer to Control Module References (See: Testing and Inspection/Programming and Relearning) for replacement, setup and programming. * Perform the Transmission Adaptive Functions (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/AF40-6 - Automatic Transmission/Transmission Adaptive Functions). P0506 DTC P0506 or P0507 (LF1, LFW) Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check - Vehicle) prio...

2010 Cadillac Truck SRX AWD V6-3.0L Page 997 DTC P013E - HO2S Delayed Response Rich to Lean Bank 1 Sensor 2 DTC P013F - HO2S Delayed Response Lean to Rich Bank 1 Sensor 2 DTC P014A - HO2S Delayed Response Rich to Lean Bank 2 Sensor 2 DTC P014B - HO2S Delayed Response Lean to Rich Bank 2 Sensor 2 DTC P0153 - HO2S Slow Response Bank 2 Sensor 1 DTC P1133 - HO2S Insufficient Switching Bank 1 Sensor 1 DTC P1153 - HO2S Insufficient Switching Bank 2 Sensor 1 Diagnostic Fault Information Circuit/System Description The heated oxygen sensors (HO2S) are used for fuel control and catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content of the exhaust stream. When the engine is started, the control module operates in an Open Loop mode, ignoring the HO2S signal voltage while calculating the air-to-fuel ratio. While the engine runs, the HO2S heats up and begins to generate a voltage within a range of 0-1,275 mV. Once sufficient HO2S voltage fluctuation...

2010 Cadillac Truck SRX AWD V6-3.0L Page 788 Circuit/System Verification Verify that DTC C078A is not set. If the DTC is set, replace the tire pressure sensor locator module. Repair Instructions Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair. Control Module References (See: Testing and Inspection/Programming and Relearning) for module replacement, setup, and programming C0110 DTC C0110 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 ...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1119 The ECM detects that the MAF Sensor Signal parameter is less than 500 Hz for greater than 10 s. P0103 The ECM detects that the MAF Sensor Signal parameter is greater than 14,500 Hz for greater than 10 s. Action Taken When the DTC Sets DTCs P0102 and P0103 are Type B DTCs. Conditions for Clearing the MIL/DTC DTCs P0102 and P0103 are Type B DTCs. Diagnostic Aids * A steady or intermittent high resistance of 15 ohm or greater on the ignition 1 voltage circuit will cause the MAF sensor signal to be increased by as much as 60 g/s. * Depending on the current ambient temperature, and the vehicle operating conditions, a MAF sensor signal circuit that is shorted to the IAT signal circuit will cause the MAF sensor signal to be skewed or erratic. Additionally, it may cause a rapid fluctuation in the IAT Sensor parameter. Reference Information Schematic Reference Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/...

2010 Cadillac Truck SRX AWD V6-3.0L Page 132 Procedures/Connector Repairs/Connector Repairs) Scan Tool Reference Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information Circuit/System Verification Note: * Refer to SIR Service Precautions (See: Restraints and Safety Systems/Air Bag Systems/Service Precautions/Technician Safety Information). * Inspect all terminals for damage or corrosion when disconnecting connectors. Damage or corrosion in the following requires repair or replacement of the affected component/connector. - Seat belt retractor pretensioner - Passenger instrument panel air bag - Seat side air bag - Roof rail air bag - SDM - SDM wiring harness connector - Roof rail air bag wiring harness connector - Seat side air bag wiring harness connector - Passenger instrument panel air bag wiring harness connector - Seat belt retractor pretensioner wiring harness connector * The connector and connector position assurance (CPA) may s...

2010 Cadillac Truck SRX AWD V6-3.0L Page 1231 瀚慖f less than the specified range, test the high signal circuit for an open/high resistance. If the circuit tests normal, replace the K20 ECM. 瀚慖f greater than the specified range, test the high signal circuit for a short to voltage. If the circuit tests normal, replace the K20 ECM. 4. Ignition OFF, connect a 3 A fused jumper wire between the high signal circuit terminal B and the low signal circuit terminal A. Note: The low signal circuit is tied to a pull-up circuit within the ECM. A voltage of 0.90-1.10 V on the low signal circuit is normal. 5. Ignition ON, verify the scan tool HO2S parameter displays 0.0 V. 瀚慖f greater than the specified value, test the low signal circuit for an open/high resistance or for a short to voltage. If the circuit tests normal, replace the K20 ECM. 6. Verify none of the following conditions exist: * Water intrusion in the HO2S harness connector * Low or high fuel system pressure-Refer to Fuel System Diagnosis ...

2010 Cadillac Truck SRX AWD V6-3.0L Page 438 interface module connects to the radio, passing along the audio signals. Only the multimedia player interface module can set these DTCs. The auxiliary audio jack has an internal mechanical detection switch that will connect the detection signal on the auxiliary audio jack to ground when an auxiliary mini-plug is inserted. Conditions for Running the DTC * Ignition in RUN or ACC position. * The system voltage is at least 9.5 V and no more than 15.5 V. Conditions for Setting the DTC * The multimedia player interface module detects a short to battery on the signal circuit terminal 1 or signal circuit terminal 2. * The multimedia player interface module detects a short to ground on the signal circuit terminal 1 or signal circuit terminal 2. * All the above conditions are present for greater than 250 mS. Action Taken When the DTC Sets No audio is heard from the remote audio device. Conditions for Clearing the DTC * The conditions for setting the D...