Engine-Codes - GMC - B1508 GMC

B1508 GMC Code - Low Voltage On Control Circuit

- Code Popularity: 260 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1508 GMC?

  • Faulty Body Control Module (BCM)
  • Body Control Module harness is open or shorted
  • Body Control Module circuit poor electrical connection

|How to Fix the B1508 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 B1508 GMC?

Labor: 1.0

The cost to diagnose the B1508 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 B1508 GMC Possible Symptoms?

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

|What Does the B1508 GMC Code Mean?

The Body Control Module (BCM) monitors the load control circuit for opens, shorts to ground, and shorts to voltage. The circuit starts at the BCM and travels to the I/P fuse panel where the circuit splits to supply power for the heated seat switch and Heating, Ventilation, and Air Conditioning (HVAC) control head for the rear defog relay driver.

B1508 GMC Code - Low Voltage On Control Circuit

|Need more Information on the B1508 GMC Code?

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|Need Help with the B1508 GMC Code?

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