DTC P1685 Buick
Lost Communication with HV ECU
Lost Communication with HV ECU
Description
While dynamic radar cruise control is either preparing for operation or operating and power switch is on (IG), communication stop from hybrid vehicle control ECU to brake booster with master cylinder (skid control ECU) continues for 1 second or more.
Cause and Solution
CAN communication system Hybrid vehicle control ECU Brake booster with master cylinder (Skid control ECU)
Video Guide
Diagnostic Info
- DTC Code: P1685
- Brand: Buick