Test Description

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic table.

1: The Diagnostic System Check-Engine Controls prompts the technician to complete some basic checks and store the Freeze Frame data on the scan tool if applicable. This creates an electronic copy of the data taken when the fault occurred. The information is then stored in the scan tool for later reference.
2: This step determines if the fault is present. Replace the PCM if DTC P0606 sets again.

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

Step	Action	Yes	No
1	Did you perform the Diagnostic System Check-Engine Controls?	Go to Step 2	Go to Diagnostic System Check - Engine Controls
2	IMPORTANT: If the vehicle does not start, crank the engine in order to allow the DTC to set. Install a scan tool. Clear the scan tool information. Turn OFF the ignition, in order to initialize the powertrain control module (PCM). Turn ON the ignition. Wait 10 seconds and check for DTCs. Does the scan tool indicate a DTC P0606?	Go to Step 3	Go to Diagnostic Aids
3	Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement . Did you complete the replacement?	Go to Step 4	-
4	Start the engine. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text. Does the DTC run and pass?	Go to Step 5	Go to Step 2
5	With a scan tool, observe the stored information, Capture Info. Does the scan tool display any DTCs that you have not diagnosed?	Go to Diagnostic Trouble Code (DTC) List	System OK