DTC P1802 Mitshubishi
No Communication With Rear Wheel Steering Control Module
No Communication With Rear Wheel Steering Control Module
Description
Key on, and a message from a learned ID number was not detected for the five seconds. Modules on the Class 2 circuit monitor for data communications during vehicle operation. When a module receives a message for critical data, the module records the identification number of the module sending the message for State of Health monitoring (Node Alive messages). Once a module learns an ID number, it checks for that modules Node Alive message. Note: Look for this code in all modules. The one without the code is the module that has a problem, and it may have failed.
Cause and Solution
RWSCM Class 2 circuit is open, shorted to ground or to B+RWSCM ignition power circuit has a high resistance conditionRESCM main ground circuit(s) has a high resistance conditionRESCM (module) may have failed and is pulling the circuit low
Video Guide
Diagnostic Info
- DTC Code: P1802
- Brand: Mitshubishi