Engine-Codes - Generic - B142A

B142A - Ignition Voltage

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

B142A Possible Causes

  • Faulty Air Bag Diagnosis Sensor Unit
  • Air Bag Diagnosis Sensor Unit harness is open or shorted
  • Air Bag Diagnosis Sensor Unit circuit poor electrical connection

How is the B142A 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 B142A code

Labor: 1.0

The cost to diagnose the B142A 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.
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Possible Symptoms

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

B142A Meaning

Ignition voltage is supplied to the air bag diagnosis sensor unit when the ignition is in the ON position. The air bag diagnosis sensor unit will monitor for low or high ignition voltage.

More Information

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Information for specific makes

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