AutoCodes - Gmc - B1556 GMC

B1556 GMC Code - Odometer Mileage & EEPROM Disagree

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|B1556 GMC code possible causes

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

|How do I fix the B1556 GMC code?

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 B1556 GMC code

Labor: 1.0

The cost of diagnosing 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.

|What are B1556 GMC code possible symptoms?

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

|B1556 GMC code description

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.
OBDII Code B1556 Gmc - Odometer Mileage & EEPROM Disagree - AutoCodes.com

|Need more information with the B1556 GMC code?

Need more information on how to fix the B1556 GMC code? Get Access to Factory Service Manuals

|Need help with a B1556 GMC code?

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|B1556 GMC code comments

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