Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the car's cruise control system. It's like when a remote control for a toy car isn't working right because a button is stuck or there's a problem with the wires.
The P0588 code is triggered when the Engine Control Module (ECM) detects a high voltage condition in the cruise control vent control circuit.
The cruise control system uses a vent control circuit to manage the vacuum or electronic signals that maintain a set speed. A 'high' condition indicates that the voltage or signal in this circuit is above the expected range, which could be due to a short circuit, a faulty component, or a wiring issue.
• Cruise control not working
• Check Engine Light illuminated
• Unusual vehicle speed fluctuations
• Faulty cruise control vent control solenoid
• Open or shorted wiring in the cruise control circuit
• Faulty ECM or PCM
ECM: Engine Control Module
PCM: Powertrain Control Module
Solenoid: A device that converts electrical energy into mechanical movement
• Use an OBD-II scanner to confirm the code.
• Inspect the cruise control vent control solenoid and wiring for damage.
• Test the voltage and continuity in the cruise control circuit.
• Replace the cruise control vent control solenoid if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM/PCM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain vehicle wiring.
• Avoid moisture exposure to electrical components.
• Perform routine diagnostic checks.
Sensor Issue
• Avoid using cruise control until the issue is resolved.
• Consult a professional mechanic if unsure about repairs.
Check with the vehicle manufacturer for warranty coverage on electronic components.
This code has been reported in various vehicle models, often related to wiring or solenoid issues.
Moderate – The vehicle can be driven, but cruise control functionality is impaired.
Driving with a malfunctioning cruise control system can lead to unexpected speed changes. It's important to address the issue promptly.
• Vehicle in motion
• Cruise control system engaged
The cruise control vent control solenoid is typically located near the throttle body or within the engine bay.
Q: Can I still drive my car with a P0588 code?
A: Yes, but the cruise control may not work properly. It's best to have it checked soon.
Q: Will fixing the P0588 code improve fuel efficiency?
A: Fixing the cruise control can help maintain consistent speed, which may improve fuel efficiency on long drives.
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