9913/9914

9913_9914 TONNEAU COVER SWITCH SENSE CIRCUIT SHORT TO GROUND

9913_9914 Tonneau Cover Switch Sense Circuit Short To Ground:

WHEN MONITORED
Continuously, with the ignition on.

SET CONDITION
When the Power Top Control Module (PTCM) senses the Tonneau Cover Switch sense circuit is closed with the Tonneau Cover locked.

POSSIBLE CAUSES
- Tonneau cover switch sense circuit short to ground
- Tonneau cover switch
- Power top control module

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

DIAGNOSTIC TEST

1. Tonneau Cover Switch




Turn the ignition off.
Disconnect the Tonneau Cover Switch harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Turn the ignition on.
With DRBIII(R), select Input/Output Display and monitor the TON COVER SW SENSE.

Q: Does the DRBIII(R) display TON COVER SW SENSE "UNLOCKED"?

YES: Replace the Tonneau Cover Switch. Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test
NO: Go To 2

2. Tonneau Cover Switch Sense Circuit Shorted To Ground




Turn the ignition off.
Disconnect the Power Top Control Module (PTCM) C1 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance between ground and the Tonneau Cover Switch Sense circuit.

Q: Is the resistance below 100 kohms?

YES: Repair the Tonneau Cover Switch Sense circuit for a short to ground. Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test
NO: Replace the Power Top Control Module. Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test