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1. Pcm

Turn the ignition off.

Disconnect the PCM C4 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Turn the ignition on.

Measure the voltage of the Speed Control Off Signal circuit at the PCM C4 harness connector.

Fig 1: Measuring Voltage Of Speed Control Off Signal Circuit At PCM C4 Harness Connector
G01861824Courtesy of DAIMLERCHRYSLER CORP.

Is the voltage above 10 volts? 

  1. Yes  >> Replace and program the Powertrain Control Module. See ELECTRONIC CONTROL MODULES article.

    See POWERTRAIN VERIFICATION TEST - VER 5  .

  2. No  >> Go To 2
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