Engine-Codes - Generic - B1422

B1422 - Compressor Lock Sensor Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?

B1422 Possible Causes

  • Faulty Compressor Lock Sensor
  • Compressor Lock Sensor harness is open or shorted
  • Compressor Lock Sensor circuit poor electrical connection
  • Faulty Compressor Assembly
  • Faulty Air Conditioning Amplifier

How do I fix code B1422

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 B1422 code

Labor: 1.0

The cost of diagnosing the B1422 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)

B1422 Meaning

This sensor sends 1 pulse per engine revolution to the Air Conditioning Amplifier. If the ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the Air Conditioning Amplifier turns the compressor off, and the indicator blinks at approximately 1 second intervals.

B1422 More Information

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