AutoCodes - OBDII Code List - B0540 BUICK

B0540 BUICK - Speedometer Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B0540 BUICK Possible Causes

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

How do I fix code B0540 BUICK?

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.
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Cost of diagnosing the B0540 BUICK code

Labor: 1.0

The cost of diagnosing the B0540 BUICK 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)

B0540 BUICK Description

The Instrument Panel Cluster (IPC) monitors the vehicle speed signal to determine the speedometer position. If the IPC determines the vehicle speed signal voltage is out of the normal operating range, a Diagnostic Trouble Code (DTC) will set.
OBDII Code B0540 Buick - Speedometer Circuit - AutoCodes.com

More Information

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