DTC P1443 Infiniti
Rear MICU Lost Communication with Combination Switch Control Unit (WIPSW Message)
Rear MICU Lost Communication with Combination Switch Control Unit (WIPSW Message)
Description
Poor communication between the rear MICU and the Combination Switch Control Unit. (Wiper Malfunction) NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. If DTCs B1007, B1062, B1063, B1155, B1156, B1957, B1958, and or B2969 are indicated, perform the Combination Switch Control Unit input test. If no codes are present, perform the rear MICU input test
Cause and Solution
Loose or poor connections between the rear MICU and the Combination Switch Control Unit. Blown fuse in the main under-hood fuse box Blown fuse in the under-dash fuse relay box Open or Short Condition between the rear MICU and the Combination Switch Control Unit. Faulty Combination Switch Control Unit Faulty Rear MICU, replace the rear fuse relay box.
Video Guide
Diagnostic Info
- DTC Code: P1443
- Brand: Infiniti