B3708 Code - Front Washer Motor Input High
Quick Answer
The Body Control Module (BCM) monitors the windshield washer pump control circuit. Common causes include Faulty Front Washer Motor, Front Washer Motor harness is open or shorted, Front Washer 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
- B3708 indicates Front Washer Motor Input High.
- Common causes
- Common causes include Faulty Front Washer Motor, Front Washer Motor harness is open or shorted, Front Washer 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 B3708 Description
Battery voltage for the windshield washer pump is supplied through the FRT WIPER 25 A fuse and windshield wiper washer switch. Grounding for the windshield washer pump is through the OFF position of the rear washer switch, when equipped. The Diagnostic Trouble Code (DTC) sets when the front windshield washer pump control circuit is shorted to battery voltage for 2 minutes.
What are the Possible Causes of the DTC B3708?
- Faulty Front Washer Motor
- Front Washer Motor harness is open or shorted
- Front Washer Motor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3708?
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 B3708 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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Information for Specific Makes
- B3708 Buick — Front Washer Motor Input High
- B3708 Cadillac — Front Washer Motor Input High
- B3708 Chevrolet — Front Washer Motor Input High
- B3708 GMC — Front Washer Motor Input High
- B3708 Saturn — Front Washer Motor Input High
Frequently Asked Questions about B3708 Code
1. What are the common symptoms of OBDII code B3708 (Front Washer Motor Input High)?
The common symptoms of code B3708 include the front windshield washer not functioning properly, the washer fluid not spraying onto the windshield, and possibly an illuminated washer fluid warning light on the dashboard.
2. What are the possible causes of OBDII code B3708?
Possible causes of code B3708 include a faulty front washer motor, a short circuit in the wiring related to the washer system, a malfunctioning washer switch, or a problem with the body control module.
3. How can I diagnose the issue related to OBDII code B3708?
To diagnose the issue related to code B3708, you can start by checking the washer fluid level, inspecting the washer pump and related wiring for any visible damage, and using a multimeter to test the voltage at the washer motor and switch.
4. What are some repair tips for fixing OBDII code B3708?
Repair tips for resolving code B3708 may include replacing the front washer motor, repairing any damaged wiring or connectors, ensuring the washer fluid reservoir is filled, and resetting the fault code after completing the repairs.
5. Can I drive my vehicle with OBDII code B3708 present?
It is generally safe to drive your vehicle with code B3708, but you may experience inconvenience due to the front washer system not working. It is recommended to address the issue at your earliest convenience to ensure proper visibility while driving.
6. How much does it typically cost to repair OBDII code B3708?
The cost of repairing code B3708 can vary depending on the specific cause of the issue. Replacing a front washer motor can cost anywhere from $50 to $200, while addressing wiring issues or module problems may require additional diagnostic time and labor costs.
7. Can OBDII code B3708 affect other vehicle systems?
Code B3708 is specific to the front washer motor input, so it should not directly affect other vehicle systems. However, it is still important to address the issue promptly to prevent any potential electrical problems in the future.
8. Is it possible to clear OBDII code B3708 without fixing the underlying issue?
While you can clear the fault code using an OBDII scanner without fixing the underlying issue, the code is likely to recur if the root cause is not resolved. It is recommended to diagnose and repair the problem to prevent future issues.
9. How long does it typically take to repair OBDII code B3708?
The repair time for code B3708 can vary depending on the cause of the issue and your level of experience. In general, fixing the front washer motor or addressing wiring problems can take anywhere from 30 minutes to a few hours.
10. Are there any preventative measures to avoid OBDII code B3708 in the future?
To prevent OBDII code B3708, you can regularly check and maintain your washer fluid level, avoid overusing the washer system when the fluid is low, and promptly address any issues with the washer motor or related components as soon as they arise.
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