P0703 Nissan Code - Stop Lamp Swich Circuit
Quick Answer
The P0703 diagnostic trouble code (DTC) for Nissan vehicles refers to an issue with the Stop Lamp Switch Circuit. Common causes include Malfunctioning stop lamp switch, Damaged wiring or connectors in the stop lamp circuit, Faulty ECU. 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
- P0703 Nissan indicates Stop Lamp Swich Circuit.
- Common causes
- Common causes include Malfunctioning stop lamp switch, Damaged wiring or connectors in the stop lamp circuit, Faulty ECU.
- 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 P0703 Nissan Description
The P0703 diagnostic trouble code (DTC) for Nissan vehicles refers to an issue with the Stop Lamp Switch Circuit. This code indicates a problem with the electrical circuit that controls the stop lamps, also known as brake lights, on the vehicle. The stop lamp switch is a critical component that is responsible for turning on the brake lights when the brake pedal is pressed, signaling to other drivers that the vehicle is slowing down or stopping.
Common Causes of P0703 Nissan
- Malfunctioning stop lamp switch.
- Damaged wiring or connectors in the stop lamp circuit.
- Faulty ECU.
- Corrosion or water damage in the electrical connections.
- Short circuit in the stop lamp circuit.
Symptoms of P0703 Nissan
- Brake lights not illuminating when the brake pedal is pressed.
- Inability to shift gears smoothly.
- Cruise control not engaging or disengaging properly.
- Check Engine Light (CEL) illuminated on the dashboard.
- Problems with the vehicle's traction control system.
How to Fix P0703 Nissan
- Begin by locating the stop lamp switch, usually mounted near the brake pedal under the dashboard.
- Inspect the wiring and connectors for any signs of damage, corrosion, or loose connections.
- Test the stop lamp switch using a multimeter to check for continuity and proper functionality.
- Replace the stop lamp switch if it is found to be faulty.
- Clear the DTC using an OBD-II scanner and test the brake lights to ensure they are functioning correctly.
Cost to Fix P0703 Nissan
The typical repair costs for addressing a P0703 Nissan code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing a faulty stop lamp switch can cost between $50 and $150 for the part itself. The total repair cost, including parts and labor, can range from $100 to $300. However, it's important to note that labor rates can vary significantly based on the location, vehicle make and model, and the expertise of the technician. Therefore, it's advisable to check with local auto repair shops for a more accurate cost estimate.
Tech Notes for P0703 Nissan
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