Front Door Lock-Link Switch Left Unlock Circuit Malfunction


Table of contents

B1172 MAZDA Possible Causes

  • Faulty Front Door Lock-Link Switch Left
  • Front Door Lock-Link Switch Left harness is open or shorted
  • Front Door Lock-Link Switch Left circuit poor electrical connection
  • Faulty Rear Body Control Module (RBCM)

How do I fix code B1172 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 B1172 MAZDA code

  The cost of diagnosing the B1172 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)

B1172 MAZDA Description

  The Rear Body Control Module (RBCM) monitors the Front Door Lock-Link Switch Left Switch. The RBCM sets the OBDII code when the RBCM detects a short to ground in the Front Door Lock-Link Switch Left Unlock circuit with the Front Door Lock-Link Switch Left Locked.

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