Diagnostic Aids

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

This DTC may be stored as a history DTC without affecting the operation of the module. If stored as a history DTC and not retrieved as a current DTC, do not replace the module.
If this DTC is retrieved as both a current and history DTC, replace the module.

DTC P0601

Step	Action	Values	Yes	No
1	Did you perform the Diagnostic System Check - Engine Controls?	-	Go to Step 2	Go to CLEARING DIAGNOSTIC TROUBLE CODES
2	Install a scan tool. Turn ON the ignition with the engine OFF. IMPORTANT: Before clearing the DTC, use the scan tool in order to record the ECM Freeze Frame and the TCM Failure Records. Using the Clear Eng./Trans. DTC Info function erases the Freeze Frame and Failure Records from the ECM and the TCM. Using the Clear Eng./Trans. DTC Info function erases stored DTCs in both the ECM and TCM. Record the DTC Failure Records. Clear the DTC. Turn OFF the ignition for at least 30 seconds. Turn ON the ignition. Did DTC P0601 reset?	-	Go to Step 3	Go to Diagnostic Aids
3	Replace the TCM. Refer to Transmission Control Module (TCM) Replacement . Is the replacement complete?	-	Go to Step 4	-
4	Perform the following procedure in order to verify the repair: Select DTC. Select Clear Info. Turn OFF the ignition for at least 30 seconds. Turn ON the ignition. Select Specific DTC. Enter DTC P0601. Does the DTC reset?	-	Go to Step 2	Go to Step 5
5	With the scan tool, observe the stored information, capture info and DTC info. Does the scan tool display any DTCs that you have not diagnosed?	-	Go to DIAGNOSTIC TROUBLE CODE DEFINITIONS	System OK