Engine-CodesGeneric – B1829

B1829 Code - Wiper Rear High Limit Input Circuit Short To Ground

Quick Answer

The B1829 diagnostic code indicates a problem with the Wiper Rear High Limit Input Circuit being shorted to ground. Common causes include Damaged wiring or connectors in the rear wiper circuit, Faulty rear wiper motor, Water intrusion causing a short 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
B1829 indicates Wiper Rear High Limit Input Circuit Short To Ground.
Common causes
Common causes include Damaged wiring or connectors in the rear wiper circuit, Faulty rear wiper motor, Water intrusion causing a short 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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code B1829 Description

The B1829 diagnostic code indicates a problem with the Wiper Rear High Limit Input Circuit being shorted to ground. In simpler terms, this means that there is an electrical issue with the circuit that controls the rear wiper on the vehicle. This can lead to the rear wiper not functioning properly or at all. The rear wiper is essential for visibility in poor weather conditions, so it is crucial to address this issue promptly.

OBDII Code B1829 - Wiper Rear High Limit Input Circuit Short To Ground
B1829 Code - Wiper Rear High Limit Input Circuit Short To Ground

Common Causes of B1829

  1. Damaged wiring or connectors in the rear wiper circuit
  2. Faulty rear wiper motor
  3. Water intrusion causing a short circuit
  4. Issues with the rear wiper switch or control module
  5. Corrosion in the rear wiper circuit components

Symptoms of B1829

  1. Rear wiper not moving or functioning erratically
  2. Rear wiper getting stuck in one position
  3. Fuse for rear wiper blowing frequently
  4. Rear wiper not stopping at the correct position
  5. Rear wiper motor making unusual noises

How to Fix B1829

  1. Inspect the wiring and connectors in the rear wiper circuit for any damage or corrosion.
  2. Test the rear wiper motor to determine if it is functioning correctly.
  3. Check for water intrusion in the rear wiper circuit and address any leaks or seals.
  4. Test the rear wiper switch and control module for proper operation.
  5. Replace any damaged components in the rear wiper circuit as needed.

Cost to Fix B1829

The typical cost to repair a Wiper Rear High Limit Input Circuit Short To Ground issue can range from $100 to $300, including parts and labor. However, the final cost may vary depending on the specific diagnosis time and labor rates at auto repair shops in your area. It is recommended to obtain quotes from multiple shops to ensure you get the best price for the repair.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1829 Code

1. What are the common symptoms of OBDII code B1829 (Wiper Rear High Limit Input Circuit Short To Ground)?

- Common symptoms include the rear wiper not working properly, the rear wiper operating erratically, or the rear wiper not turning off.

2. What are the possible causes of OBDII code B1829?

- The code B1829 can be caused by a short to ground in the rear wiper high limit input circuit, a faulty rear wiper motor, or damaged wiring/connectors.

3. How can I diagnose OBDII code B1829 related to the rear wiper circuit?

- To diagnose code B1829, you can start by checking the wiring and connectors in the rear wiper circuit for any visible damage or shorts. Testing the rear wiper motor's functionality and inspecting its connections can also help pinpoint the issue.

4. Are there any DIY repair tips for resolving OBDII code B1829?

- DIY repair tips for code B1829 may include checking and repairing any damaged wiring or connectors in the rear wiper circuit, replacing a faulty rear wiper motor, and ensuring all electrical connections are secure.

5. Can OBDII code B1829 cause any safety concerns or affect the vehicle's overall operation?

- While OBDII code B1829 itself may not pose immediate safety concerns, a malfunctioning rear wiper due to this code can impact visibility during adverse weather conditions, potentially compromising driving safety.

6. Is it possible to reset OBDII code B1829 without addressing the underlying issue?

- Resetting the OBDII code B1829 without fixing the root cause, such as a short to ground in the rear wiper circuit, will likely result in the code reappearing once the issue persists.

7. What steps should I take if OBDII code B1829 keeps coming back after repairs?

- If code B1829 keeps reoccurring after repairs, it is essential to recheck the rear wiper circuit thoroughly, ensuring all components are properly functioning and all connections are secure.

8. Can extreme weather conditions contribute to triggering OBDII code B1829?

- Extreme weather conditions, such as heavy rain or snow, can potentially worsen the effects of a short to ground in the rear wiper circuit, leading to the triggering of code B1829.

9. Is it safe to continue driving with OBDII code B1829 without immediate repairs?

- It is not recommended to drive with OBDII code B1829 unaddressed, as it can lead to rear wiper failure, hindering visibility and potentially compromising driving safety, especially in adverse weather.

10. Are there any recalls or service bulletins related to OBDII code B1829 for specific vehicle models?

- It is advisable to check with the vehicle manufacturer or authorized service centers for any recalls or service bulletins related to OBDII code B1829 specific to your vehicle make and model.

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