9000 - 9999: 9912

9911/9912 - TONNEAU COVER SWITCH SENSE CIRCUIT OPEN





- When Monitored: Continuously, with the ignition on.
- Set Condition: When the Power Top Control Module (PTCM) senses voltage on the Tonneau Cover Switch sense circuit when the Tonneau Cover is unlocked.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Diagnostic Test

1. Read DTCs
Turn the ignition on.
With the scan tool, read Current DTCs.
Are the Rear Bow Switch and the Tonneau Cover Switch Open DTCs set?

Yes

- Check and repair the Switches common ground circuit for a loose, damaged or corroded ground circuit.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test

No

- Go To 2

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

NOTE: Check connectors - Clean/repair as necessary.

Connect a fused jumper wire between the Tonneau Cover Switch sense circuit and the Tonneau Cover Switch Ground circuit of the Tonneau Cover Switch harness connector.
Turn the ignition on.
With scan tool, select Input/Output Display and monitor the TON COVER SW SENSE.
Does the TON COVER SW SENSE read "LOCKED"?

Yes

- Replace the Tonneau Cover Switch.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test

No

- Go To 3

3. Open Tonneau Cover Switch Sense circuit




Turn the ignition off.
Remove fused jumper wire.
Disconnect the Power Top Control Module C1 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the Tonneau Cover Switch Sense circuit from the Tonneau Cover Switch harness connector to the Power Top Control Module C1 harness connector.
Is the resistance below 5.0 ohms?

Yes

- Go To 4

No

- Repair the Tonneau Cover Switch Sense circuit for an open.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test

4. Open Tonneau Cover Switch Ground circuit




With the ignition off.
Measure the resistance between ground and the Tonneau Cover Switch ground circuit.
Is the resistance below 5.0 ohms?

Yes

- Replace the Power Top Control Module.Removal.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test

No

- Repair the Tonneau Cover Switch Ground circuit for an open.
- Perform POWER TOP CONTROL MODULE VERIFICATION TEST. Power Top Verification Test