DTC B1977 Jeep
Lost Communication With PTO Control Module
Lost Communication With PTO Control Module
Description
The Powertrain Control Module (PCM) has not received a Bus message from the Vehicle System Interface Module (VSIM) for approximately 500ms.
Cause and Solution
CAN BUS CIRCUITS OPEN OR SHORTEDVEHICLE SYSTEM INTERFACE MODULE (VSIM)POWERTRAIN CONTROL MODULE (PCM)
Video Guide
Diagnostic Info
- DTC Code: B1977
- Brand: Jeep