Engine-Codes - Chevrolet - P1661 Chevrolet

P1661 Chevrolet Code - MIL Control Circuit Conditions

- Code Popularity: 34,622 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1661 Chevrolet?

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 Malfunction Indicator Lamp (MIL)
  • Malfunction Indicator Lamp (MIL) harness is open or shorted
  • Malfunction Indicator Lamp (MIL) circuit poor electrical connection
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How to Fix the DTC P1661 Chevrolet?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1661 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1661 Chevrolet Code Mean?

With the engine speed over 600 rpm, the Powertrain Control Module (PCM) detects that the Actual and Commanded state of the MIL Control circuit did not match, condition met for over 5 seconds.

P1661 Chevrolet Code - MIL Control Circuit Conditions

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