Rick's Free Auto Repair Advice

P0405, P0406 – Ram, Jeep

Fix trouble codes P0405, P0406 – Ram, Jeep

Dodge has disclosed a problem with P0405, P0406 on some 2006-07 Ram Trucks and Durangos and Jeep Grand Cherokees and Commanders. All of these vehicles were built before 2-15-07 and may light up the “Check Engine” light and store P0404, P0405, or P0406 EGR position sensor codes. Check the EGR with a scanner, but chances are the codes are “false codes: due to a programming error in the PCM. The fix involves reflashing the PCM with software release 7.03 SP1 or higher. That’s right, it means a trip back to the dealer and if the truck is out of warranty, expect to pay for the privilege of having Dodge fix their defective software.

 

© 2012 Rick Muscoplat

Posted on by Rick Muscoplat


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