NGC

P0700-TRANSMISSION CONTROL SYSTEM (MIL REQUEST)

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the ignition on.

- Set Condition:
The PCM receives a CAN Bus message indicating that a DTC is present in the TCM.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.Initial Inspection and Diagnostic Overview

Diagnostic Test

1. DTC IS ACTIVE

NOTE: Diagnose and repair any other DTCs that are set in the PCM before continuing.

NOTE: This DTC will set in the PCM to indicate that a DTC is set in the TCM.

NOTE: When all repairs have been completed, clear DTCs in the PCM and TCM.

Turn the ignition on.
With the scan tool, select View DTCs in the PCM.
Is the status Active for this DTC?

Yes

- Go to 2

No

- Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure.Checking For An Intermittent DTC

2. DTCS PRESENT IN THE TRANSMISSION CONTROL MODULE (TCM)
NOTE: If the scan tool is unable to communicate with the TCM, or if there are related communication DTCs present, refer to the appropriate diagnostic procedure.

Turn the ignition on.
With the scan tool, select View DTCs in the TCM.
Are there any DTCs present in the TCM?

Yes

- Diagnose and repair the DTC(s).

No

- Go to 3

3. POWERTRAIN CONTROL MODULE (PCM)
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the TCM and the PCM.
Look for any chafed, pierced, pinched, or partially broken wires.
Look for broken, bent, pushed out or corroded terminals.
Search for any Technical Service Bulletins that may apply.
Were any problems found?

Yes

- Repair as necessary.
- Perform the PCM Verification Test.Powertrain Verification Test

No

- Replace and program the PCM.
- Perform the PCM Verification Test.Powertrain Verification Test