P1581 GMC Code - Cruise Control Module Move Circuit High Input Conditions
Quick Answer
The P1581 GMC diagnostic trouble code (DTC) indicates that there is a high input condition detected in the cruise control module move circuit. Common causes include Faulty cruise control module, Wiring issues in the cruise control circuit, Defective cruise control switch. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1581 GMC indicates Cruise Control Module Move Circuit High Input Conditions.
- Common causes
- Common causes include Faulty cruise control module, Wiring issues in the cruise control circuit, Defective cruise control switch.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1581 GMC Description
The P1581 GMC diagnostic trouble code (DTC) indicates that there is a high input condition detected in the cruise control module move circuit. This means that the engine control module (ECM) has detected an abnormal voltage level in the circuit responsible for controlling the cruise control module. The cruise control module is an important component that allows the driver to set and maintain a desired speed without needing to keep their foot on the accelerator pedal.
Common Causes of P1581 GMC
- Faulty cruise control module
- Wiring issues in the cruise control circuit
- Defective cruise control switch
- ECM malfunction
- Corrosion or damage to electrical connectors
Symptoms of P1581 GMC
- Inoperative cruise control system
- Illumination of the check engine light
- Loss of speed control functionality
- Erratic vehicle speed while using cruise control
- Vehicle may not accelerate or decelerate as expected
How to Fix P1581 GMC
- Begin by using a diagnostic scan tool to retrieve the specific trouble code and determine the exact cause of the high input condition.
- Inspect the cruise control module, wiring, and connectors for any visible signs of damage or corrosion. Repair or replace any damaged components as needed.
- Test the cruise control switch for proper functionality and replace if necessary.
- Clear the DTC and perform a test drive to ensure that the cruise control system is operating correctly.
- If the issue persists, further diagnostics may be needed to pinpoint the root cause of the problem, which may require professional assistance.
Cost to Fix P1581 GMC
The cost of repairing a P1581 GMC code can vary depending on the specific cause of the issue and the labor rates in your area. In general, repairing a cruise control module move circuit high input condition may cost between $100 and $300, including parts and labor. However, this estimate is a rough approximation, and actual costs may differ based on the severity of the problem and the required repairs. It is recommended to consult with a professional mechanic or dealership for a more accurate cost estimate based on your vehicle's make and model. Labor rates can vary widely, so it's advisable to shop around for the best price.
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