P0318 Ford Code - Rough Road Sensor 'A' Signal Circuit
Quick Answer
The diagnostic trouble code P0318 Ford is related to the Rough Road Sensor 'A' Signal Circuit within your vehicle. Common causes include A malfunctioning or broken rough road sensor 'A', Damaged or corroded wiring in the sensor circuit, Faulty or damaged connectors in the sensor circuit. 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
- P0318 Ford indicates Rough Road Sensor 'A' Signal Circuit.
- Common causes
- Common causes include A malfunctioning or broken rough road sensor 'A', Damaged or corroded wiring in the sensor circuit, Faulty or damaged connectors in the sensor circuit.
- 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 P0318 Ford Description
The diagnostic trouble code P0318 Ford is related to the Rough Road Sensor 'A' Signal Circuit within your vehicle. When this code appears, it indicates that the Engine Control Module (ECM) or Powertrain Control Module (PCM) has detected a malfunction or irregular signal in the rough road sensor circuit. This sensor is designed to detect inconsistencies in the road's surface and send data to the control system to make necessary adjustments in the vehicle's performance, such as suspension damping and engine power output.
Common Causes of P0318 Ford
- A malfunctioning or broken rough road sensor 'A'
- Damaged or corroded wiring in the sensor circuit
- Faulty or damaged connectors in the sensor circuit
- Software issues in the ECM or PCM
- Intrusion of moisture or dirt in the sensor or sensor circuit
Symptoms of P0318 Ford
- The vehicle's ride may become rougher or less comfortable.
- The check engine light might be illuminated on the dashboard.
- The vehicle may experience decreased fuel efficiency.
- There may be noticeable changes in the vehicle's handling and performance.
- The vehicle may display poor acceleration.
How to Fix P0318 Ford
- A thorough diagnostic scan should be performed to confirm the P0318 code.
- Check the rough road sensor for any visible signs of damage or wear.
- Inspect the wiring and connectors in the sensor circuit for any corrosion, damage, or loose connections.
- If the sensor, wiring, and connectors are found to be in good condition, check the ECM/PCM for any software issues.
- Replace or repair any faulty components as necessary.
Cost to Fix P0318 Ford
The cost for resolving the P0318 Ford code can vary significantly based on the exact cause and the labor rates in your area. If the rough road sensor needs to be replaced, the part itself could cost between $100 and $200, with labor adding another $80 to $150. If the issue is related to the wiring or connectors, the cost might be lower. However, if the ECM or PCM requires reprogramming or replacement, the cost could be considerably higher, potentially reaching into the $1000 range. It's advisable to check local rates and get several quotes before proceeding with any repairs. Note that most auto repair shops charge between $80 and $150 per hour for labor, but this rate can be higher or lower depending on the location and type of shop.
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