B1643 Code - Mirror Passenger Right Circuit Failure
Quick Answer
The Body Control Module (BCM) monitors the Mirror Passenger Motor. Common causes include Faulty Mirror Passenger Motor, Mirror Passenger Motor harness is open or shorted, Mirror Passenger 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
- B1643 indicates Mirror Passenger Right Circuit Failure.
- Common causes
- Common causes include Faulty Mirror Passenger Motor, Mirror Passenger Motor harness is open or shorted, Mirror Passenger 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 B1643 Description
What are the Possible Causes of the DTC B1643?
- Faulty Mirror Passenger Motor
- Mirror Passenger Motor harness is open or shorted
- Mirror Passenger Motor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1643?
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 B1643 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.
Need more information about the B1643 code?
Need more information on how to fix the B1643 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1643 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1643 Chrysler — Rear Left Turn Control Circuit Low
- B1643 Dodge — Rear Left Turn Control Circuit Low
- B1643 Jeep — Rear Left Turn Control Circuit Low
- B1643 Lexus — Side Satellite Sensor Bus Right Initialization Incomplete
- B1643 RAM — Rear Left Turn Control Circuit Low
- B1643 Scion — Side Satellite Sensor Bus Right Initialization Incomplete
- B1643 Toyota — Side Satellite Sensor Bus Right Initialization Incomplete
Frequently Asked Questions about B1643 Code
1. What are the common symptoms of OBDII code B1643 (Mirror Passenger Right Circuit Failure)?
The common symptoms of OBDII code B1643 include non-functioning or erratic movement of the passenger-side mirror, inability to adjust the mirror electronically, and possibly a warning light on the dashboard.
2. What are the possible causes of OBDII code B1643?
Possible causes of OBDII code B1643 include damaged wiring or connectors in the passenger-side mirror circuit, a faulty mirror motor, a defective mirror control switch, or a malfunctioning body control module.
3. How can I diagnose the cause of OBDII code B1643?
Diagnosing OBDII code B1643 involves visually inspecting the wiring and connectors in the passenger-side mirror circuit, testing the mirror motor for proper function, checking the mirror control switch for faults, and using a scan tool to communicate with the body control module.
4. What are some repair tips for fixing OBDII code B1643?
Repair tips for OBDII code B1643 may include repairing or replacing damaged wiring or connectors, replacing the mirror motor if it is faulty, checking and potentially replacing the mirror control switch, and reprogramming or replacing the body control module if necessary.
5. Can I continue driving my vehicle with OBDII code B1643?
It is generally safe to continue driving your vehicle with OBDII code B1643, but it is important to address the issue promptly to ensure the proper functioning of the passenger-side mirror and related systems.
6. Is OBDII code B1643 a serious problem?
While OBDII code B1643 is not a critical issue that affects the drivability or safety of the vehicle, it can be inconvenient and impact the functionality of the passenger-side mirror, which is an important component for visibility and safety while driving.
7. How much does it typically cost to repair OBDII code B1643?
The cost of repairing OBDII code B1643 can vary depending on the underlying cause of the issue, the cost of parts needed for repair or replacement, and the labor rates of the repair shop. It is recommended to obtain estimates from local automotive service providers.
8. Can I reset OBDII code B1643 without fixing the underlying issue?
Resetting OBDII code B1643 without fixing the underlying issue will likely result in the code reappearing once the vehicle's systems run their self-tests again. It is best to diagnose and address the root cause of the problem to prevent the code from returning.
9. Will OBDII code B1643 cause my vehicle to fail an emissions test?
OBDII code B1643 is not directly related to emissions control systems, so it should not cause your vehicle to fail an emissions test. However, it is still important to address the code to ensure the proper functioning of the mirror system and related components.
10. How long does it typically take to repair OBDII code B1643?
The time required to repair OBDII code B1643 can vary depending on the specific cause of the issue, the availability of parts, and the expertise of the technician performing the repair. In general, it may take a few hours to a full day to diagnose and fix the problem.
Discuss the causes and fixes for B1643 OBDII Code
Code B1643 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
