Engine-CodesChrysler – B17C5 Chrysler

B17C5 Chrysler Code - Trailer Tow Reverse Lamp Control Circuit Short To Battery

Quick Answer

The B17C5 Chrysler diagnostic trouble code (DTC) indicates a problem with the trailer tow reverse lamp control circuit short to battery. Common causes include Corrosion or damage to the wiring in the trailer tow reverse lamp control circuit, Faulty reverse lamp switch, Short circuit in the wiring harness. 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
B17C5 Chrysler indicates Trailer Tow Reverse Lamp Control Circuit Short To Battery.
Common causes
Common causes include Corrosion or damage to the wiring in the trailer tow reverse lamp control circuit, Faulty reverse lamp switch, Short circuit in the wiring harness.
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 Sep 10, 2024
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Code B17C5 Chrysler Description

The B17C5 Chrysler diagnostic trouble code (DTC) indicates a problem with the trailer tow reverse lamp control circuit short to battery. This means that there is an electrical issue in the circuit that controls the reverse lamps on a vehicle equipped with a trailer tow package. When this code is triggered, it can affect the functionality of the reverse lamps, which are essential for providing visibility when backing up.

OBDII Code B17C5 Chrysler - Trailer Tow Reverse Lamp Control Circuit Short To Battery
B17C5 Chrysler Code - Trailer Tow Reverse Lamp Control Circuit Short To Battery

Common Causes of B17C5 Chrysler

  1. Corrosion or damage to the wiring in the trailer tow reverse lamp control circuit.
  2. Faulty reverse lamp switch.
  3. Short circuit in the wiring harness.
  4. Malfunctioning trailer tow module.
  5. Issues with the vehicle's battery or electrical system.

Symptoms of B17C5 Chrysler

  1. Reverse lamps not illuminating when the vehicle is in reverse gear.
  2. Reverse lamps flickering or only working intermittently.
  3. Dashboard warning light indicating a fault with the trailer tow reverse lamp control circuit.
  4. Fuse for the reverse lamps repeatedly blowing.

How to Fix B17C5 Chrysler

  1. Begin by inspecting the wiring harness for any visible damage or corrosion. Repair or replace any damaged wiring.
  2. Check the reverse lamp switch for proper operation and replace if necessary.
  3. Test the trailer tow module to ensure it is functioning correctly. Replace if found to be faulty.
  4. Use a multimeter to diagnose the short circuit to the battery and repair the connection.
  5. Clear the DTC and test the reverse lamps to verify that the issue has been resolved.

Cost to Fix B17C5 Chrysler

The cost of repairing a B17C5 Chrysler code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair for this code could range from $100 to $300, including parts and labor. However, it is advisable to contact local auto repair shops for a more accurate estimate based on your vehicle's make and model, as well as the severity of the issue. Remember that labor rates can vary, so it's essential to shop around for the best deal.

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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 B17C5 Chrysler Code

1. What are the common symptoms of OBDII code B17C5 Chrysler?

- The common symptoms of code B17C5 include non-functional trailer tow reverse lamps, illuminated dashboard warning lights, and possible issues with the vehicle's reverse light operation.

2. What could cause the Trailer Tow Reverse Lamp Control Circuit Short To Battery fault code?

- Possible causes of B17C5 code include damaged wiring, a short circuit in the reverse lamp circuit, faulty trailer tow module, or a malfunctioning reverse lamp control module.

3. How can I diagnose the B17C5 code on my Chrysler vehicle?

- To diagnose the B17C5 code, you can start by visually inspecting the wiring harness, connectors, and components related to the trailer tow reverse lamp circuit. Using a multimeter to test for continuity and shorts can help pinpoint the issue.

4. What are some repair tips for fixing the Trailer Tow Reverse Lamp Control Circuit Short To Battery fault?

- Repair tips for B17C5 code may include repairing or replacing damaged wiring, checking and repairing any shorts in the circuit, replacing a faulty trailer tow module, or addressing issues with the reverse lamp control module.

5. Can I still drive my vehicle with the B17C5 fault code present?

- It is generally not recommended to drive your vehicle with the B17C5 code active, as it may indicate a problem with the reverse lamp control circuit that could affect your vehicle's safety and functionality.

6. How do I reset the B17C5 code on my Chrysler after making repairs?

- After addressing the underlying issue causing the B17C5 code, you can reset the fault code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code.

7. Is the B17C5 code a serious problem that requires immediate attention?

- While the B17C5 code may not cause immediate harm to your vehicle, it is important to address the underlying issue promptly to ensure proper operation of your trailer tow reverse lamps and to prevent any potential safety concerns.

8. Can extreme weather conditions cause the B17C5 code to appear?

- Yes, extreme weather conditions such as exposure to moisture or extreme temperatures can potentially damage the wiring or components of the trailer tow reverse lamp circuit, leading to the B17C5 fault code.

9. Will disconnecting the trailer tow module resolve the B17C5 fault code?

- Disconnecting the trailer tow module may help isolate the issue causing the B17C5 code, but it is important to thoroughly diagnose the problem before attempting any repairs to ensure a proper fix.

10. Are there any recalls or service bulletins related to the B17C5 code in Chrysler vehicles?

- It is recommended to check with your local Chrysler dealership or visit the manufacturer's website to inquire about any recalls or service bulletins related to the B17C5 code in your specific vehicle model.

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