B164B Code - Driver Mirror Signal Lamp Control Circuit Low
Quick Answer
The Drivers Door Module (DDM) monitors the Driver Mirror Signal Lamp. Common causes include Faulty Drivers Power Mirror Assembly, Drivers Power Mirror Assembly harness is open or shorted, Drivers Power Mirror Assembly 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
- B164B indicates Driver Mirror Signal Lamp Control Circuit Low.
- Common causes
- Common causes include Faulty Drivers Power Mirror Assembly, Drivers Power Mirror Assembly harness is open or shorted, Drivers Power Mirror Assembly 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 B164B Description
What are the Possible Causes of the DTC B164B?
- Faulty Drivers Power Mirror Assembly
- Drivers Power Mirror Assembly harness is open or shorted
- Drivers Power Mirror Assembly circuit poor electrical connection
- Faulty Drivers Door Module (DDM)
How to Fix the DTC B164B?
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 B164B 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.
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Information for Specific Makes
- B164B Chrysler — Driver Mirror Signal Lamp Control Circuit Low
- B164B Dodge — Driver Mirror Signal Lamp Control Circuit Low
- B164B Jeep — Driver Mirror Signal Lamp Control Circuit Low
- B164B RAM — Driver Mirror Signal Lamp Control Circuit Low
Frequently Asked Questions about B164B Code
What does OBDII code B164B mean?
OBDII code B164B indicates a problem with the driver mirror signal lamp control circuit, specifically that the circuit is registering a low voltage or current.
What are common symptoms of the B164B code?
Common symptoms include a non-functioning driver side mirror turn signal, warning lights on the dashboard, and potential issues with other mirror functions.
What could cause the B164B code to trigger?
Causes may include a faulty driver mirror signal lamp, damaged wiring or connectors in the control circuit, or issues with the vehicle's body control module (BCM).
How can I diagnose the B164B code?
To diagnose the B164B code, check the driver mirror signal lamp for any visible damage, inspect the wiring and connectors for corrosion or breaks, and test the voltage at the control circuit using a multimeter.
What repairs are typically needed for a B164B code?
Repairs may involve replacing a faulty driver mirror signal lamp, repairing damaged wiring or connectors, or potentially replacing the BCM if it is found to be malfunctioning.
Can I drive my vehicle with the B164B code?
While you can drive your vehicle, it is advisable to address the issue as it can affect your visibility and safety, especially if the signal lamp is not working.
How can I prevent the B164B code from occurring in the future?
Regular maintenance checks on your vehicle’s electrical components and addressing any issues with the mirrors or lighting promptly can help prevent the recurrence of the B164B code.
Is B164B a serious issue?
While not critical, it is important to address the B164B code as it affects the functionality of your turn signals, which are essential for safe driving.
Will clearing the code resolve the issue?
Clearing the code may temporarily turn off the warning light, but if the underlying issue is not fixed, the code will likely return. It is important to diagnose and repair the root cause.
Discuss the causes and fixes for B164B OBDII Code
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