Engine-Codes - Mazda - B1178 MAZDA

B1178 MAZDA Code - Trunk Lid Latch Switch Circuit Malfunction

- Code Popularity: 2,567 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B1178 MAZDA Code?

  • 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 to Fix the B1178 MAZDA Code?

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.

|What is the cost to diagnose the B1178 MAZDA code?

Labor: 1.0

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.

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|What are B1178 MAZDA code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B1178 MAZDA Code Mean?

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

Trunk Lid Latch Switch Circuit Malfunction

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