P1679 Honda Code - RSCD Signal Circuit Malfunction
Quick Answer
The P1679 code for Honda vehicles indicates a malfunction in the RSCD (Rear Seat Cushion Detector) signal circuit. Common causes include Faulty RSCD sensor, Damaged wiring or connectors in the RSCD signal circuit, ECU software glitch or malfunction. 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
- P1679 Honda indicates RSCD Signal Circuit Malfunction.
- Common causes
- Common causes include Faulty RSCD sensor, Damaged wiring or connectors in the RSCD signal circuit, ECU software glitch or malfunction.
- 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 P1679 Honda Description
The P1679 code for Honda vehicles indicates a malfunction in the RSCD (Rear Seat Cushion Detector) signal circuit. This code is typically triggered when there is a communication error or disruption in the signal between the RSCD sensor and the vehicle's ECU (Engine Control Unit). The RSCD sensor is responsible for detecting the presence of passengers in the rear seat and activating or deactivating certain safety features accordingly.
Common Causes of P1679 Honda
- Faulty RSCD sensor
- Damaged wiring or connectors in the RSCD signal circuit
- ECU software glitch or malfunction
- Physical damage to the sensor or wiring harness
- Corrosion or contamination affecting the sensor or connectors
Symptoms of P1679 Honda
- Airbag warning light illuminated on the dashboard
- Inconsistent activation of seatbelt pretensioners
- Rear seat occupancy indicator not functioning
- Erratic behavior of safety systems when rear seat is occupied
- Diagnostic trouble code (DTC) P1679 stored in the vehicle's ECU
How to Fix P1679 Honda
- Begin by conducting a visual inspection of the RSCD sensor, wiring, and connectors for any visible damage or corrosion.
- Use a multimeter to test the continuity of the wiring harness and check for any shorts or open circuits.
- Test the RSCD sensor itself by following the manufacturer's diagnostic procedures and checking for proper resistance values.
- If necessary, replace the faulty RSCD sensor or repair any damaged wiring or connectors.
- Clear the diagnostic trouble codes from the ECU memory and perform a test drive to confirm that the issue has been resolved.
Cost to Fix P1679 Honda
The cost of repairing a P1679 code on a Honda vehicle can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty RSCD sensor ranges from $100 to $300, while repairing damaged wiring or connectors may cost between $50 and $150. Labor costs for this type of repair typically range from $100 to $300, but can vary based on the shop's hourly rates and the complexity of the repair. Overall, the total repair cost for addressing a P1679 code on a Honda vehicle could range from $200 to $600, including parts and labor. It's recommended to consult with a trusted mechanic or dealership for a more accurate cost estimate based on the specific circumstances of your vehicle.
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