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2014 Ram 4500 SLT 6.7L MIL Lamp on, Limp in mode
Posted to Chrysler Driveability on 4/19/2020 4 Replies

Hi thanks in advance for any insight. I have repaired the lost comm. Problem finding a pushed out pin at connector i200 and a broken wire at fuse 18 in the pdc. Which brought about the last 2 dtc's . I started with p21c4 following diagnostic steps for that...

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  Related Documents & Media  2014 Ram 4500 SLT

 
Message Closed w/FIX

car Vehicle Data

2014 Ram 4500 SLT

VIN 3C7WRLEL9E
Engine6.7 L / 6 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DIESEL
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Limp in Mode
OccursAlways

Trouble Codes

P21C4Reductant line heater relay control circuit high
P2BACecm has commanded limp in mode
U0101No Transmission Bus Message
U11C1Reductant control module received implausible data from pcm
Message Closed w/FIX

car Vehicle Data

2014 Ram 4500 SLT

VIN 3C7WRLEL9E
Engine6.7 L / 6 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DIESEL
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Limp in Mode
OccursAlways

Trouble Codes

P21C4Reductant line heater relay control circuit high
P2BACecm has commanded limp in mode
U0101No Transmission Bus Message
U11C1Reductant control module received implausible data from pcm