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P1237 GMC Code - Injector Circuit Cylinder 6 Intermittent

- Code Popularity: 3,525 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1237 GMC?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Fuel Injector 6
  • Fuel Injector 6 harness is open or shorted
  • Fuel Injector 6 circuit poor electrical connection
⚠ Does your GMC have Safety Recalls? → Check here

How to Fix the DTC P1237 GMC?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P1237 GMC Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1237 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1237 GMC Description

Injector Circuit Cylinder 6 Intermittent is the generic description for the P1237 GMC code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1237 GMC OBDII code.

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OBDII Code P1237 GMC - Injector Circuit Cylinder 6 Intermittent - AutoCodes.com
P1237 GMC Code - Injector Circuit Cylinder 6 Intermittent

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Code P1237 GMC comments

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