B1477 Code - Wiper Hi/Low Circuit Motor Short To Ground
Quick Answer
The B1477 code indicates a problem with the wiper hi/low circuit motor short to ground in the vehicle. Common causes include Corrosion or damage to the wiper motor wiring, Faulty wiper motor, Short circuit in the wiper switch. 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
- B1477 indicates Wiper Hi/Low Circuit Motor Short To Ground.
- Common causes
- Common causes include Corrosion or damage to the wiper motor wiring, Faulty wiper motor, Short circuit in the wiper switch.
- 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 B1477 Description
The B1477 code indicates a problem with the wiper hi/low circuit motor short to ground in the vehicle. The windshield wiper system is an essential component for driver visibility and safety, especially in adverse weather conditions. When this code is triggered, it means that there is a short circuit between the wiper motor and the ground, causing the wipers to malfunction. This issue can lead to the wipers not functioning properly, which can be dangerous during rain, snow, or other situations where visibility is crucial.
Common Causes of B1477
- Corrosion or damage to the wiper motor wiring.
- Faulty wiper motor.
- Short circuit in the wiper switch.
- Broken or loose electrical connections.
- Water damage to the wiper system components.
Symptoms of B1477
- Wipers not moving at all.
- Wipers only working at one speed.
- Wipers stopping in the middle of the windshield.
- Wipers making unusual noises while operating.
How to Fix B1477
- Diagnose the issue by checking the wiper motor wiring for any signs of damage or corrosion.
- Test the wiper motor for functionality and replace if necessary.
- Inspect the wiper switch for any shorts and replace if needed.
- Check and repair any broken or loose electrical connections in the wiper system.
- Ensure that all components are properly connected and functioning before testing the wipers.
Cost to Fix B1477
The cost of repairing a wiper hi/low circuit motor short to ground can vary depending on the extent of the issue and the specific parts that need to be replaced. In general, the repair costs for this issue can range from $100 to $300, including parts and labor. It's important to keep in mind that the actual cost may be higher or lower depending on the location, vehicle make and model, and the rates of the auto repair shop. Be sure to consult with a professional mechanic to get an accurate estimate for your specific situation.
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Code B1477 Information for Specific Makes
- B1477 Chrysler — Channel 5 Audio Speaker Output Circuit Open
- B1477 Dodge — Channel 5 Audio Speaker Output Circuit Open
- B1477 Hyundai — Passenger Curtain Airbag Resistance Too High
- B1477 Jeep — Channel 5 Audio Speaker Output Circuit Open
- B1477 KIA — Passenger Curtain Airbag Resistance Too High
- B1477 Lexus — A/C Inverter Low Voltage Power Resource System Malfunction
- B1477 RAM — Channel 5 Audio Speaker Output Circuit Open
- B1477 Toyota — A/C Inverter Low Voltage Power Resource System Malfunction
Frequently Asked Questions about B1477 Code
1. What are common symptoms of OBDII code B1477 (Wiper Hi/Low Circuit Motor Short To Ground)?
- Common symptoms include non-functioning wipers, wipers operating only at one speed, or wipers not turning off.
2. What are the possible causes of OBDII code B1477?
- Potential causes include a short to ground in the wiper motor circuit, damaged wiring or connectors, or a faulty wiper motor.
3. How can I diagnose OBDII code B1477?
- Diagnose this code by inspecting the wiper motor wiring, checking for shorts to ground, testing the wiper motor operation, and using a multimeter to check for continuity.
4. Can a blown fuse cause OBDII code B1477 to appear?
- Yes, a blown fuse in the wiper circuit can lead to OBDII code B1477 being triggered due to a loss of power or short to ground.
5. What is the typical repair process for OBDII code B1477?
- The repair process usually involves locating and repairing the short to ground in the wiper motor circuit, replacing damaged wiring, connectors, or the wiper motor if necessary.
6. Are there any DIY tips for addressing OBDII code B1477?
- DIY tips include checking fuses, inspecting wiring for visible damage, ensuring proper grounding of the wiper motor, and following a systematic approach to diagnose the issue.
7. Can moisture or water ingress cause OBDII code B1477 to occur?
- Yes, moisture or water ingress in the wiper motor circuit can lead to shorts to ground, triggering OBDII code B1477.
8. Is it safe to continue driving with OBDII code B1477 present?
- It is not recommended to drive with OBDII code B1477 active, as it can result in unpredictable wiper operation which may compromise visibility during adverse weather conditions.
9. How does OBDII code B1477 affect vehicle safety?
- OBDII code B1477 affects vehicle safety by potentially causing erratic wiper operation, leading to reduced visibility while driving in rainy or snowy conditions.
10. Can resetting the OBDII system clear code B1477 permanently?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing code B1477 is not addressed, the code is likely to reappear.
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