0xD90C0C Trailer Control Modulator outlet valve-Bad Intelligent Device Or Component
â–¶ How to fix
Action: -Erase fault memory and check the lines and plugs between central ECU and the TCM
What you'll see
Symptom:
System reaction
SystemReaction: ESP control restricted. HSA off. Trailer Control -CFC is off.
Diagnostic depth
Detection
Detection: Short circuit between TCM OV and other TCM valve.
Possible cause
Cause: Valve low side shorted to other TCM valve's low side