Diagnostic Test

Turn the ignition on.

With the scan tool, record and erase DTC's

Operate the Decklid or Liftgate Switch several times.

Cycle the ignition from on to off.

Turn the ignition on.

With the scan tool, read DTC's.

Does the scan tool display B186D-TRUNK RELEASE SWITCH STUCK? 

Yes 

1. Go To  2).

No 

1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

Fig 1: Decklid & Liftgate Release Switch Connector

Courtesy of DAIMLERCHRYSLER CORP.

With the scan tool, erase DTC's.

Disconnect the Decklid or Liftgate Release Switch connector.

With the scan tool, read DTC's.

Does the scan tool display B186D-TRUNK RELEASE SWITCH STUCK? 

No 

1. Replace the Decklid or Liftgate Release Switch.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1

Yes 

1. Go To  3).

Fig 2: Measuring Resistance Between Ground & Decklid Or Liftgate Release Switch Sense Circuit

Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the Cluster C3 connector.

Measure the resistance between ground and the (P1) Decklid or (P30) Liftgate Release Switch Sense circuit.

Is the resistance below 10,000.0 ohms? 

Yes 

1. Repair the (P1) Decklid or (P30) Liftgate Release Switch circuit for a short to ground.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .

No 

1. Replace the Instrument Cluster in accordance with service information.
2. Perform BODY VERIFICATION TEST - VER 1. Refer to BODY VERIFICATION TEST - VER 1 .