DTC P1665 KIA
Relay Control Module Lost Communication with MICU (ALARM Message)
Relay Control Module Lost Communication with MICU (ALARM Message)
Description
Poor communication between the Relay Control Module and the MICU If DTCs B1055, B1056, B1057, B1157, B1159, B1180, B1255, B1955, B2155, B2156, and B2161 are indicated, perform the MICU input test.
Cause and Solution
Loose or poor connections between the Relay Control Module and the MICU Blown fuse in the main under-hood fuse box Blown fuse in the under-dash fuse relay box Open or Short to ground at the Relay Control Module Open or Short to ground at drivers MICU Faulty Relay Control Module Faulty MICU
Video Guide
Diagnostic Info
- DTC Code: P1665
- Brand: KIA