B2318 Ford Code - Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery
Quick Answer
Under normal operation, the exterior mirror control switch receives power and ground from the circuit. Common causes include Faulty Passenger Exterior Mirror, Passenger Exterior Mirror harness is open or shorted, Passenger Exterior Mirror circuit poor electrical connection. 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
- B2318 Ford indicates Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery.
- Common causes
- Common causes include Faulty Passenger Exterior Mirror, Passenger Exterior Mirror harness is open or shorted, Passenger Exterior Mirror circuit poor electrical connection.
- 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.
Code B2318 Ford Description
The memory mirror system uses feedback potentiometers, located in the LH and RH exterior mirrors, in order to track the movement of the LH and RH exterior mirror motors. The DDM supplies the LH and RH exterior mirror feedback potentiometer reference voltage and ground through circuits. The DDM receives feedback from the LH and RH exterior mirror feedback potentiometer through left/right and up/down circuits.
What are the Possible Causes of the DTC B2318 Ford?
- Faulty Passenger Exterior Mirror
- Passenger Exterior Mirror harness is open or shorted
- Passenger Exterior Mirror circuit poor electrical connection
- Faulty Passenger Exterior Mirror Control Switch
- Faulty Driver Door Module (DDM)
- Faulty Driver Seat Module (DSM)
How to Fix the DTC B2318 Ford?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2318 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B2318 Ford code?
Need more information on how to fix the B2318 Ford code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2318 Ford code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B2318 Ford Code
1. What are the common symptoms of OBDII code B2318 Ford?
- Common symptoms include erratic movement of the passenger side mirror, complete failure of the mirror adjustment function, and possibly an illuminated warning light on the dashboard.
2. What does the OBDII code B2318 Ford indicate?
- This code indicates a Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery issue in the vehicle's mirror adjustment system.
3. What are the possible causes of the Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery fault?
- Possible causes include damaged wiring or connectors in the mirror adjustment circuit, a faulty vertical feedback potentiometer, or a short circuit to the battery in the circuit.
4. How can I diagnose the Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery problem?
- Diagnosis typically involves inspecting the wiring and connectors in the mirror adjustment circuit, testing the vertical feedback potentiometer for proper operation, and using a multimeter to check for shorts to the battery.
5. Can I still drive my vehicle with the B2318 Ford trouble code?
- While the vehicle may still be operable, it is not recommended to ignore this fault code as it can affect the proper functioning of the passenger side mirror adjustment system.
6. How can I repair the Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery issue?
- Repairing this issue may involve repairing or replacing damaged wiring or connectors, replacing the faulty vertical feedback potentiometer, and addressing any short circuits to the battery in the circuit.
7. Is it possible to reset the B2318 Ford trouble code without fixing the underlying issue?
- While clearing the trouble code may temporarily turn off the warning light, it will likely reappear until the root cause of the Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery problem is resolved.
8. Are there any DIY tips for troubleshooting the B2318 Ford code?
- DIY enthusiasts can start by visually inspecting the mirror adjustment circuit for any visible damage, checking the fuse related to the mirror system, and ensuring proper power supply to the mirror.
9. Can extreme weather conditions cause the Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery fault?
- Yes, extreme weather conditions like intense heat or cold can potentially damage the wiring or components in the mirror adjustment system, leading to the B2318 Ford trouble code.
10. How long does it typically take to repair the Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Battery issue?
- The repair time can vary depending on the extent of the damage and the specific cause of the fault. It may range from a quick fix of wiring issues to a more involved process of replacing components, potentially taking a few hours to complete.
Discuss the causes and fixes for B2318 Ford OBDII Code
Code B2318 Ford comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
