Engine-CodesChrysler – B1648 Chrysler

B1648 Chrysler Code - Rear Right Turn Control Circuit High

Quick Answer

The B1648 Chrysler code indicates a problem with the rear right turn control circuit being too high. Common causes include Short circuit in the rear right turn signal wiring, Corrosion or damage to the connectors in the circuit, Faulty turn signal 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
B1648 Chrysler indicates Rear Right Turn Control Circuit High.
Common causes
Common causes include Short circuit in the rear right turn signal wiring, Corrosion or damage to the connectors in the circuit, Faulty turn signal 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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code B1648 Chrysler Description

The B1648 Chrysler code indicates a problem with the rear right turn control circuit being too high. This means that the vehicle's system responsible for controlling the rear right turn signal is experiencing a voltage higher than the specified limit. This issue can affect the vehicle's ability to indicate when the driver intends to turn right, which can pose a safety hazard on the road. The turn signal may not function properly, leading to confusion for other drivers and increasing the risk of accidents.

OBDII Code B1648 Chrysler - Rear Right Turn Control Circuit High
B1648 Chrysler Code - Rear Right Turn Control Circuit High

Common Causes of B1648 Chrysler

  1. Short circuit in the rear right turn signal wiring.
  2. Corrosion or damage to the connectors in the circuit.
  3. Faulty turn signal switch.
  4. Defective rear right turn signal bulb.
  5. Issues with the body control module that controls the turn signal circuit.

Symptoms of B1648 Chrysler

  1. Inoperative or erratic behavior of the rear right turn signal.
  2. Rapid flashing of the rear right turn signal.
  3. Illumination of the turn signal indicator on the dashboard.
  4. Failure to pass a vehicle inspection due to non-functioning turn signals.

How to Fix B1648 Chrysler

  1. Begin by visually inspecting the rear right turn signal wiring, connectors, and bulb for any signs of damage or corrosion.
  2. Use a multimeter to test the voltage in the circuit and identify any irregularities.
  3. Replace any damaged wiring, connectors, or the turn signal bulb as needed.
  4. Test the turn signal system after repairs to ensure proper functionality.
  5. If the issue persists, further diagnostics may be required to identify any underlying problems with the body control module or other components.

Cost to Fix B1648 Chrysler

The cost of repairing a B1648 Chrysler code can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this issue can range from $100 to $300, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary significantly, so it's recommended to obtain quotes from local shops for a more accurate estimate.

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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 B1648 Chrysler Code

1. What are the common symptoms of OBDII code B1648 Chrysler (Rear Right Turn Control Circuit High)?

- The common symptoms include the malfunctioning of the rear right turn signal, the turn signal staying on constantly, or the turn signal not working at all.

2. What are the possible causes of OBDII code B1648 Chrysler?

- The code B1648 Chrysler can be caused by a faulty turn signal switch, damaged wiring or connectors in the rear right turn signal circuit, or a defective body control module.

3. How can I diagnose the OBDII code B1648 Chrysler?

- To diagnose the code B1648 Chrysler, you can use a scan tool to retrieve the fault codes, visually inspect the wiring and connectors in the rear right turn signal circuit, and perform circuit testing to identify the exact cause of the issue.

4. Can a DIYer repair OBDII code B1648 Chrysler?

- Depending on your skill level and experience with automotive electrical systems, you may be able to repair the code B1648 Chrysler yourself by replacing the faulty turn signal switch, repairing damaged wiring, or addressing any connector issues.

5. What are some tips for repairing OBDII code B1648 Chrysler?

- Some tips for repairing the code B1648 Chrysler include checking and cleaning the connectors, ensuring proper grounding of the circuit, and following the manufacturer's diagnostic and repair procedures.

6. Is it safe to continue driving with OBDII code B1648 Chrysler active?

- It is not recommended to continue driving with the code B1648 Chrysler active, as it can affect the proper functioning of the turn signal system, potentially leading to safety hazards on the road.

7. How can I reset OBDII code B1648 Chrysler after making repairs?

- After making the necessary repairs to address the code B1648 Chrysler, you can reset the code using a scan tool or by disconnecting the vehicle's battery for a few minutes to clear the fault code.

8. Will OBDII code B1648 Chrysler cause my vehicle to fail an emissions test?

- OBDII code B1648 Chrysler is related to the turn signal system and should not cause your vehicle to fail an emissions test. However, it is still important to address and repair the issue for safe driving.

9. How long does it typically take to repair OBDII code B1648 Chrysler?

- The time required to repair the code B1648 Chrysler can vary depending on the exact cause of the issue, your experience with automotive repairs, and the availability of tools and replacement parts. It could take anywhere from a few hours to a day.

10. Are there any recalls or technical service bulletins related to OBDII code B1648 Chrysler?

- It is recommended to check with Chrysler or consult online databases for any recalls or technical service bulletins related to the OBDII code B1648 Chrysler, as there may be manufacturer-issued solutions or repair instructions available.

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