DTC B1840 Dodge
CAN Message Not Received FICM and TCM
CAN Message Not Received FICM and TCM
Description
The ignition is ON.
Cause and Solution
The modules that communicate on the CAN system are wired parallel to each other until the respective circuits are spliced together outside of the ECM. An open in the CAN circuits of one module will not affect the other modules. A short to ground or short
Video Guide
Diagnostic Info
- DTC Code: B1840
- Brand: Dodge