Engine-Codes - Generic - B0540

B0540 - Speedometer Circuit

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

B0540 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 is the B0540 code repair?

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 code

Labor: 1.0

The cost to diagnose the B0540 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B0540 Meaning

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.

More Information

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Information for specific makes

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