Trunk Lid Latch Switch Circuit Malfunction
Table of contents
B1178 MAZDA Possible Causes
- Faulty Trunk Lid Latch Switch
- Trunk Lid Latch Switch harness is open or shorted
- Trunk Lid Latch Switch circuit poor electrical connection
- Faulty Rear Body Control Module (RBCM)
How do I fix code B1178 MAZDA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B1178 MAZDA code
The cost of diagnosing the B1178 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1178 MAZDA Description
The Rear Body Control Module (RBCM) monitors the Trunk Lid Latch Switch Circuit. The RBCM sets the OBDII code when the RBCM detects short to ground in Trunk Lid Latch Switch Circuit with the trunk closed