Start by checking 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.
The cost to diagnose the B1178 MAZDA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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
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