Engine-Codes - GMC - B1428 GMC

B1428 GMC Code - Ignition Switched Power Run/Crank Relay Circuit

- Code Popularity: 1,087 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1428 GMC?

  • Faulty Ignition Switched Power Run/Crank Relay
  • Ignition Switched Power Run/Crank Relay harness is open or shorted
  • Ignition Switched Power Run/Crank Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B1428 GMC 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 Code B1428 GMC?

Labor: 1.0

The cost to diagnose the B1428 GMC 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 Code B1428 GMC Possible Symptoms?

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

|What Does the B1428 GMC Code Mean?

The Body Control Module (BCM) controls the Run/Crank relay through the run/crank relay coil control circuit by applying voltage to the circuit. The Run/Crank relay is energized when the ignition switch is in ON or START, or when a remote start is requested. The OBDII codes set when the BCM detects a short to ground in the run/crank relay coil control circuit.

B1428 GMC Code - Ignition Switched Power Run/Crank Relay Circuit

|Need more Information on the B1428 GMC Code?

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|Need Help with the B1428 GMC Code?

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