P1658 Acura Code - Electronic Throttle Control System Control Relay ON Malfunction
Quick Answer
The P1658 diagnostic trouble code (DTC) for Acura vehicles indicates a malfunction in the Electronic Throttle Control System Control Relay ON. Common causes include Faulty electronic throttle control relay, Wiring or connection issues in the throttle control system, Malfunctioning throttle control unit. 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
- P1658 Acura indicates Electronic Throttle Control System Control Relay ON Malfunction.
- Common causes
- Common causes include Faulty electronic throttle control relay, Wiring or connection issues in the throttle control system, Malfunctioning throttle control unit.
- 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 P1658 Acura Description
The P1658 diagnostic trouble code (DTC) for Acura vehicles indicates a malfunction in the Electronic Throttle Control System Control Relay ON. This system is responsible for managing the throttle opening in response to driver input, ensuring smooth acceleration and engine performance. When this relay malfunctions, it can lead to erratic throttle response, engine stalling, and overall poor vehicle performance.
Common Causes of P1658 Acura
- Faulty electronic throttle control relay
- Wiring or connection issues in the throttle control system
- Malfunctioning throttle control unit
- Corrosion or damage to electrical components
- Software or programming errors in the throttle control system
Symptoms of P1658 Acura
- Erratic throttle response
- Engine stalling or hesitation
- Reduced power or limp mode activation
- Rough idling or engine misfires
- Decreased fuel efficiency
How to Fix P1658 Acura
- Diagnose the issue using a scan tool to verify the P1658 code and identify the specific component causing the malfunction.
- Inspect the electronic throttle control relay, wiring, and connections for any visible damage or corrosion. Replace any faulty components.
- Check the throttle control unit for proper operation and replace if necessary.
- Clear the DTC and reset the system to ensure the code does not reoccur.
- Test drive the vehicle to confirm that the throttle control system is functioning correctly after repairs.
Cost to Fix P1658 Acura
The typical repair costs for addressing the Electronic Throttle Control System Control Relay ON Malfunction can vary depending on the specific cause of the issue. In general, replacing a faulty electronic throttle control relay or repairing wiring/connectivity problems can range from $100 to $300. If the throttle control unit needs replacement, costs can increase to $500 to $1000, including parts and labor.
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