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Dodge Ram 3500 Locked up WCM may cause engine cranking problems

 
Dodge Ram 3500 Problem
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Model Years Affected: 2006, 2007, 2008, 2009, 2010

Average Mileage: 67,326 mi (30,000 mi - 110,000 mi)

Verified

If the engine does not crank (or cranks but won't start), the wireless control module (WCM) may have locked up. This is due to static discharge through the ignition key. A revised model should be installed, but simply disconnecting the negative terminal of the battery for thirty seconds will temporarily reset the module so you can start the car.

  •  Rookie

    It started out simply cranking without starting, and I would end up taking another vehicle to work. It would usually start later in the day, however. Twice driving a mountain road all the instrument lights came on, and a warning chime came on just before it stalled. This wasn't fun at 55 mph. It hasn't stalled since then, but continues to intermittently not start. Disconnecting the negative terminals on the batteries, and reconnecting them temporarily resolves the issue.

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  • 07 Dodge Ram 3500. Had to have it towed to dodge dealer and $450 for a component the size of a credit card or business card case.

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  • Visitor, , 30,000 mi

    Locked up WCM may cause engine cranking problems
    Verified for the Dodge Ram 2500 diesel Cranks but won't start, the wireless control , Disconnected the negative terminal of the battery to reset the module so truck can start ...

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  •  Rookie

    Power when key is on; security horn for 3 Min with flashing lights; starter failed to function. WCM had failed to recognize remote key fob. New WCM install and programed @ dealership. $430. So much for Christmas.

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