2. Measure The Resistance Of The Can B Bus (-) Circuit

Measure the resistance of the CAN B Bus (-) circuit from the CLP/SSM harness connector to the BCM harness connector.

Fig 1: Measuring Resistance Of CAN B Bus (-) Circuit

Courtesy of DAIMLERCHRYSLER CORP.

Is the resistance below 1.0 ohm? 

1. Yes  >> Replace the Central Locking Pump/Security System Module. See VEHICLE THEFT SECURITY article.

   See BODY VERIFICATION TEST .

2. No  >> Repair the CAN B Bus(-) circuit for an open.

   See BODY VERIFICATION TEST .