B1801

B1801-DRIVER (LEFT) DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW





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

- When Monitored:
Continuously.

- Set Condition:
When the (G161) Driver Door Lock Switch Mux circuit does not switch from low to high for over 30 seconds, this code will set.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, erase all DTC's.
3. Operate the Driver Door Lock Switch in the lock and unlock position several times.
4. Cycle the ignition from on to off 3 times.
5. Turn the ignition on.
6. With the scan tool, read DTC's.

Does the scan tool display this DTC?

Yes

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform the BODY VERIFICATION TEST Body Verification Test.

2. DRIVER DOOR LOCK SWITCH SHORTED TO GROUND




1. With the scan tool, erase all DTC's.
2. Disconnect the Driver Door Lock Switch harness connector.
3. Turn the ignition on.
4. With the scan tool, read DTC's.

Does the scan tool display this DTC?

Yes

- Go to 3

No

- Replace the Left Front Door Lock Switch.
- Perform the BODY VERIFICATION TEST Body Verification Test.

3. (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the TIPM C7 harness connector
3. Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit.

Is the resistance above 10k ohms?

Yes

- Replace the Totally Integrated Power Module (TIPM).
- Perform the BODY VERIFICATION TEST Body Verification Test.

No

- Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground.
- Perform the BODY VERIFICATION TEST Body Verification Test.