Convergence Telematics Module (CTM)

B1008-13-BATTERY SUPPLY VOLTAGE - CIRCUIT OPEN

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






1. CHECK FOR AN INTERMITTENT CONDITION
1. Using the scan tool, record and erase the CTM DTCs.
2. Cycle the ignition switch from on to off, wait five seconds and then back to on.
3. Using the scan tool, read the active CTM DTCs.

Does the scan tool display active: B1008-13-BATTERY SUPPLY VOLTAGE - CIRCUIT OPEN?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE FUSED B(+) CIRCUIT FOR AN OPEN OR SHORT
1. Turn the ignition off.
2. Disconnect the CTM harness connector.
3. Using a 12-volt test light connected to ground, check the Fused B(+) circuit.

Does the test light illuminate brightly?

Yes

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Repair the open or short in the Fused B(+) circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.