B2008 Lincoln Code - Wipers On Signal Circuit Short To Ground
Quick Answer
The Smart Junction Box (SJB) sends a voltage signal to the headlamp switch and the light sensor. Common causes include Faulty Wiper Motor, Wiper Motor harness is open or shorted, Wiper Motor 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
- B2008 Lincoln indicates Wipers On Signal Circuit Short To Ground.
- Common causes
- Common causes include Faulty Wiper Motor, Wiper Motor harness is open or shorted, Wiper Motor 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 B2008 Lincoln Description
When the headlamp switch is placed in the AUTOLAMPS ON position, the voltage signal is routed to ground. When the SJB detects the headlamp switch in the AUTOLAMPS ON position, the SJB monitors the light sensor input. The light sensor determines the amount of light based on the input received from the ambient lighting conditions. When the ambient level has reached a point (determined by the internal programming of the SJB ), the SJB provides voltage to the headlamps, parking and license plate lamps. The Diagnostic Trouble Code (DTC) sets when the SJB detects a short to ground from the wipers on input circuit.
What are the Possible Causes of the DTC B2008 Lincoln?
- Faulty Wiper Motor
- Wiper Motor harness is open or shorted
- Wiper Motor circuit poor electrical connection
- Faulty Headlamp Switch
- Faulty Smart Junction Box (SJB)
How to Fix the DTC B2008 Lincoln?
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 B2008 Lincoln 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.
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Frequently Asked Questions about B2008 Lincoln Code
1. What does the OBDII code B2008 mean for a Lincoln vehicle?
The B2008 code indicates a "Wipers On Signal Circuit Short To Ground," meaning there’s an electrical short in the circuit responsible for the wiper system’s operation.
2. What are the common symptoms of the B2008 code?
Symptoms include wipers that won’t turn off, wipers operating at incorrect speeds, or the wiper system failing to respond altogether.
3. What causes the B2008 code to appear?
Common causes include damaged wiring, a short to ground in the wiper signal circuit, a faulty wiper switch, or a malfunctioning body control module (BCM).
4. Can I still drive my Lincoln with the B2008 code present?
Yes, but driving with malfunctioning wipers can be unsafe, especially in poor weather conditions. The issue should be diagnosed and repaired promptly.
5. How is the B2008 code diagnosed?
A technician will inspect the wiper signal circuit for damaged wires, test the wiper switch, and check for proper operation of the BCM.
6. What tools are needed to diagnose the B2008 code?
Tools typically include a multimeter for voltage testing, a scan tool capable of reading body control codes, and wiring diagrams for the wiper system.
7. How can I fix the B2008 code on my Lincoln?
Repairs may involve fixing or replacing damaged wiring, replacing the wiper switch, or repairing/reprogramming the BCM if it’s faulty.
8. How much does it cost to fix the B2008 code?
The cost varies depending on the issue, but wiring repairs typically cost $50-$200, while a wiper switch or BCM replacement can range from $200 to $800.
9. Can a blown fuse cause the B2008 code?
A blown fuse is unlikely to cause this specific code, but it’s worth checking the wiper circuit’s fuse as part of the diagnosis process.
10. How do I prevent the B2008 code from reoccurring?
Regularly inspect the wiper system’s wiring for damage, avoid overloading the electrical system, and ensure the wiper switch is used properly.
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