Engine-Codes - Hummer - B0540 HUMMER

B0540 HUMMER Code - Speedometer Circuit

- Code Popularity: 729 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B0540 HUMMER Code?

  • 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 to Fix the B0540 HUMMER 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 B0540 HUMMER code?

Labor: 1.0

The cost to diagnose the B0540 HUMMER 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 B0540 HUMMER code possible symptoms?

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

|What Does the B0540 HUMMER Code Mean?

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.

Speedometer Circuit

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