P1203 GMC - Gas Mass Sensor Circuit High Frequency

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

P1203 GMC Possible Causes

  • Faulty Gas Mass Sensor
  • Gas Mass Sensor harness is open or shorted
  • Gas Mass Sensor circuit poor electrical connection

How do I fix code P1203 GMC?

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 P1203 GMC code

Labor: 1.0

The cost of diagnosing the P1203 GMC 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)

P1203 GMC Description

Gas Mass Sensor Circuit High Frequency is the generic description for the P1203 Gmc code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1203 Gmc OBDII code.

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OBDII Code P1203 Gmc - Gas Mass Sensor Circuit High Frequency - AutoCodes.com

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