Equinox 2005-2007, Torrent 2006-07

3.4L V6 VIN F Auto 6

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Trouble Code: P0603



Transmission Control Module (TCM) Long Term Memory Reset

Trouble Code: P0603



Control Module (TCM) Long Term Memory Reset

Trouble Code: P0604



Control Module Random Access Memory Failure

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 

Trouble Code: P0604



Control Module Random Access Memory (RAM)

Trouble Code: P0604



Transmission Control Module (TCM) Random Access Memory (RAM)

Trouble Code: P0605



Control Module Random Access Memory Failure

Trouble Code: P0606



Control Module Internal Performance

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 

Trouble Code: P0606



Control Module Internal Performance

Trouble Code: P0607



Control Module Performance

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 

Trouble Code: P0607



Control Module Random Access Memory Failure

Trouble Code: P0607



Control Module Performance

Trouble Code: P0608



Vehicle Speed Output Circuit

Possible Causes:



For intermittent diagnosis, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P060D



Control Module Accelerator Pedal Position (APP) System Performance

Trouble Code: P0615



Starter Relay Control Circuit

Possible Causes:



Ignition system DTCs set with the ignition switch in the START position if the crank relay or the starter is inoperative. When the ECM enables starter operation, the ECM also initiates the diagnostic test routines for other DTCs. If a condition exists which prevents the engine from cranking, the ECM will not receive signal input from the crankshaft position (CKP) and camshaft position (CMP) sensors, and the DTCs will set. Reviewing the Failure Records vehicle mileage since the diagnostic test last failed may assist in diagnosing the condition. The information may help determine how often the condition that set the DTC occurs.
 

Trouble Code: P0621



Generator L-Terminal Circuit

Trouble Code: P0621



Generator L- Terminal Circuit

Trouble Code: P0622



Generator F-Terminal Circuit

Trouble Code: P062F



Control Module Long Term Memory Performance

Trouble Code: P0633



Theft Deterrent Key Not Programmed

Possible Causes:



The "key" referenced in the DTC descriptor does not refer to the vehicle key. In this case, "key" is referring to the challenge response.
 

Trouble Code: P0641



5 Volt Reference 1 Circuit

Possible Causes:



If any sensor using a 5-volt bias voltage, such as the intake air temperature (IAT) sensor or fuel sensor, is shorted to voltage, DTC P0651 may set in addition to DTC P0641.
 
For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0641



5-Volt Reference 1 Circuit

Trouble Code: P0645



Air Conditioning (A/C) Clutch Relay Control Circuit

Possible Causes:



Important: Be sure to verify that the PCM engine grounds are secure and clean. If DTC P0645 cannot be duplicated, reviewing the Failure Records vehicle millage since the diagnostic test last failed may help determine how often the condition that caused the DTC to set occurs. This may assist in diagnosing the condition. If the condition is not present, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0645



Air Conditioning (A/C) Clutch Relay Control Circuit

Trouble Code: P0650



Malfunction Indicator Lamp (MIL) Control Circuit

Trouble Code: P0651



5-Volt Reference 2 Circuit

Possible Causes:



If any sensor using a 5-volt bias voltage, such as the intake air temperature (IAT) sensor or fuel sensor, is shorted to voltage, DTC P0641 may set in addition to DTC P0651.
 
For an intermittent condition, refer to Intermittent Conditions .
 

Trouble Code: P0651



5-Volt Reference 2 Circuit

Trouble Code: P0685



Engine Controls Ignition Relay Control Circuit

Possible Causes:



The P0685 diagnostic table assumes that the vehicle battery is fully charged. Refer to Battery Inspection/Test in Engine Electrical.
 

Trouble Code: P0685



Engine Controls Ignition Relay Control Circuit

Trouble Code: P0685



Engine Controls Ignition Relay Control Circuit

Possible Causes:



This test procedure assumes that the vehicle battery has passed a load test and is completely charged. Refer to Battery Inspection/Test .
 
When disconnecting electrical connectors or removing fuses and relays from a fuse block, always inspect the component electrical terminals for corrosion and the mating electrical terminals for correct tension.
 

Trouble Code: P0689



Engine Controls Ignition Relay Feedback Circuit Low Voltage

Possible Causes:



This test procedure assumes that the vehicle battery has passed a load test and is completely charged. Refer to Battery Inspection/Test .
 
When disconnecting electrical connectors or removing fuses and relays from a fuse block, always inspect the component electrical terminals for corrosion and the mating electrical terminals for correct tension.
 

Trouble Code: P0690



Engine Controls Ignition Relay Feedback Circuit High Voltage

Possible Causes:



This test procedure assumes that the vehicle battery has passed a load test and is completely charged. Refer to Battery Inspection/Test .
 
When disconnecting electrical connectors or removing fuses and relays from a fuse block, always inspect the component electrical terminals for corrosion and the mating electrical terminals for correct tension.
 

Trouble Code: P0700



Transmission Control Module (TCM) Requested MIL Illumination

Trouble Code: P0703



Brake Switch Circuit

Trouble Code: P0703



Brake Switch Circuit 2

Possible Causes:

Important: Repair any brake system related DTCs before performing this diagnostic.



If a BCM has been replaced, the brake pedal position (BPP) sensor must be calibrated. Refer to Brake Pedal Position Sensor Calibration .
 
This DTC may be stored as a history DTC without affecting the operation of the ECM. If stored only as a history DTC and not retrieved as a current DTC, do not replace the BCM or ECM.
 
If this DTC is retrieved as both a current and a history DTC, replace the ECM.
 

Trouble Code: P0705



Transmission Range (TR) Switch Circuit

Trouble Code: P0706



Transmission Range (TR) Switch Performance

Trouble Code: P0707



Transmission Range (TR) Switch Circuit Low Voltage

Trouble Code: P0708



Transmission Range (TR) Switch Circuit High Voltage

Trouble Code: P0711



Transmission Fluid Temperature (TFT) Sensor Performance

Trouble Code: P0712



Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

 
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