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JareckiC4S
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Still Fighting the misfire, local shop checked some things and found that my battery cable, the bolt that goes through the fire wall and starter / alternator cable needs to be replaced ( starter also ) before they go farther with diagnostics. $720 for diagnostics and $4000 to replace above parts (parts included) Payed for diagnostics and did all work myself. Still same problem - misfire on cyl-1 and sometimes on 3 ( misfire on 4 was just loose coil from my sloppy install ) work in progress 😞 -
I will try tonight to disconnect front bumper harness and door lights.
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JareckiC4S changed their profile photo
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Hi New member, long time visitor for help and info. This time I need some extra help. After installing aftermarket front bumper with led lights I was getting the lights errors but after installing resistors it went away. (I don't think bumper has anything to do with what is going on now ???? ) Suddenly on my way home from work - check engine and misfire. DME Control System - P0300 misfiring, checksum error - P0301 misfiring, cylinder-1 - P0304 misfiring cylinder-4 PSM Control System - 5400 Fault sport mode - 4444 Steering-angle sensor not initialized Gateway Control System - 8007 implausible signal - Gateway incorrect coding PCM2_MMI Control System - 8007 Wake-up line faulty Chronometer Control System - C112 No signal / communication - Faulty, display CAN Driver Door Control System - 8003 Lower limit value exceeded - Door entry light Front Control System - 8021 No signal / communication - Front luggage compartment light C140 No signal / communication - communication instrument cluster display. PASM Control System - 000B - Control unit faulty - C203 Fault, steering wheel electronics control unit - drive Passenger Door Control System - 8003 Lower limit value exceeded - Door entry light PCM Control System - C140 Communication instrument cluster - display TPM Control System - C131 communication gateway control unit ( CAN comfort ) - C140 Communication instrument cluster - display VEH. ELECTRICAL SYS. Control System - C140 No signal / communication - Communication instrument cluster - display I noticed multiple C140 codes - ??? Left and right door may be aftermarket led lightbulb After this happened I replaced sparkplugs and coils and installed new battery - still same problem Any input greatly appreciated.
