Birty Dastards Jeep Club

Tech Forum => Workshop => Topic started by: johnboybop on November 28, 2017, 06:50:34 PM

Title: heater plugs
Post by: johnboybop on November 28, 2017, 06:50:34 PM

jeep 3.0 crd grand cherokee won't start when cold, i've changed the heater plugs but it is still the same,  iv'e heard the control box on top of the engine can fail,  any one come across this  also if i change the box do i have to have it coded on computer,  thanks in advance.

Title: Re: heater plugs
Post by: Mike Pavelin on November 29, 2017, 05:03:26 PM

The control module is a common failure. Get it off and use the Mercedes part number on it to get a replacement. Loads cheaper than Jeep. It's plug and play.

Title: Re: heater plugs
Post by: johnboybop on December 04, 2017, 09:14:22 PM

thanks i've got one ordered.