Engine-Codes - GMC - B1556 GMC

B1556 GMC Code - Odometer Mileage & EEPROM Disagree

- Code Popularity: 569 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1556 GMC?

  • Faulty Instrument Panel Cluster (IPC)
  • Instrument Panel Cluster (IPC) harness is open or shorted
  • Instrument Panel Cluster (IPC) circuit poor electrical connection

|How to Fix the B1556 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 B1556 GMC?

Labor: 1.0

The cost to diagnose the B1556 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.

Does your GMC have Safety Recalls? → Check here

|What are Code B1556 GMC Possible Symptoms?

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

|What Does the B1556 GMC Code Mean?

The Instrument Panel Cluster (IPC) uses no external circuits for the operation that sets this Diagnostic Trouble Code (DTC). The IPC stores 3 redundant copies of the vehicle odometer mileage within the EEPROM. The 3 EEPROM mileage records stored mileage records must agree.

B1556 GMC Code - Odometer Mileage & EEPROM Disagree

|Need more Information on the B1556 GMC Code?

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|Need Help with the B1556 GMC Code?

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