P1659 Code - Electronic Throttle Control System Control Relay OFF Malfunction
Quick Answer
The P1659 diagnostic trouble code (DTC) indicates a malfunction in the Electronic Throttle Control System (ETCS) Control Relay, specifically when it is in the OFF state. Common causes include Faulty Electronic Throttle Control System Control Relay, Damaged wiring or connectors in the control circuit, Failed Electronic Throttle Actuator. 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
- P1659 indicates Electronic Throttle Control System Control Relay OFF Malfunction.
- Common causes
- Common causes include Faulty Electronic Throttle Control System Control Relay, Damaged wiring or connectors in the control circuit, Failed Electronic Throttle Actuator.
- 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 P1659 Description
The P1659 diagnostic trouble code (DTC) indicates a malfunction in the Electronic Throttle Control System (ETCS) Control Relay, specifically when it is in the OFF state. The ETCS Control Relay is responsible for controlling the power supply to the electronic throttle actuator, which regulates the opening and closing of the throttle valve. When this relay malfunctions and remains in the OFF position, it can lead to a loss of throttle control and affect the vehicle's performance.
Common Causes of P1659
- Faulty Electronic Throttle Control System Control Relay
- Damaged wiring or connectors in the control circuit
- Failed Electronic Throttle Actuator
- Issues with the power supply to the relay
- Corrosion or poor connections in the relay circuit
Symptoms of P1659
- Engine hesitation or lack of response to throttle input
- Reduced engine power or acceleration
- Engine stalling or difficulty starting
- Illumination of the Check Engine Light
- Rough idling or erratic engine behavior
How to Fix P1659
- Diagnose the root cause of the issue using a diagnostic scanner and multimeter to test the ETCS control relay, wiring, and throttle actuator.
- Replace the faulty ETCS control relay or repair any damaged wiring or connectors in the control circuit.
- Test the electronic throttle actuator for proper operation and replace if necessary.
- Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.
- If the problem persists, further diagnosis may be needed to identify any additional underlying issues.
Cost to Fix P1659
The typical repair costs for addressing a P1659 Electronic Throttle Control System Control Relay OFF Malfunction can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair may cost between $150 to $400 for parts and labor. However, it's important to consider that labor rates can vary widely based on location, vehicle make and model, and the expertise of the technician. It's recommended to consult with a trusted mechanic or auto repair shop for a more accurate cost estimate.
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Code P1659 Information for Specific Makes
- P1659 Acura — Electronic Throttle Control System Control Relay OFF Malfunction
- P1659 Audi — Engine Coolant Blower Motor Speed 1 Short To Positive
- P1659 Honda — Electronic Throttle Control System Control Relay OFF Malfunction
- P1659 Saab — Turbocharger Bypass Valve Short To Positive
- P1659 Volkswagen — Engine Coolant Blower Motor Speed 1 Short To Positive
Frequently Asked Questions about P1659 Code
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