Drivetrain Control Module (DTCM)

C2206-VEHICLE CONFIGURATION MISMATCH

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
When the Drive Train Control Module (DTCM) detects an incorrect CAN messages from the Powertrain Control Module (PCM) or the Body Control Module (BCM).





1. BODY CONTROL MODULE (BCM) CAN BUS DTCS ARE PRESENT
1. With the scan tool, read BCM DTCs.

Are there any BCM CAN BUS DTCs present?

Yes

- Perform the appropriate diagnostic procedure. . Testing and Inspection

No

- Go To 2

2. POWERTRAIN CONTROL MODULE (PCM) DTCS ARE PRESENT
1. With the scan tool, read Powertrain Control Module (PCM) DTCs.

Are there any PCM DTCs present?

Yes

- Perform the appropriate diagnostic procedure. Testing and Inspection.

No

- Using the schematics as a guide, check the DTCM pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Drive Train Control Module (DTCM). Drivetrain Control Module - Removal.
- Perform the DTCM VERIFICATION TEST. DTCM Verification Test.