DTC 9911, 9912: Tonneau Cover Switch Sense Circuit Open: Notes

Fig 1: Tonneau Cover Switch Sense Circuit Schematic

Courtesy of DAIMLERCHRYSLER CORP.

1. When Monitored: Continuously, with the ignition on.  
2. 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.