B163B Jeep Code - Front Left Turn Control Circuit Low
Quick Answer
The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting turn signal lamp illumination. Common causes include Blown Front Left Park and Turn Signal Bulb, Faulty Front Left Turn Lamp, Front Left Turn Lamp harness is open or shorted. 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
- B163B Jeep indicates Front Left Turn Control Circuit Low.
- Common causes
- Common causes include Blown Front Left Park and Turn Signal Bulb, Faulty Front Left Turn Lamp, Front Left Turn Lamp harness is open or shorted.
- 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 B163B Jeep Description
What are the Possible Causes of the DTC B163B Jeep?
- Blown Front Left Park and Turn Signal Bulb
- Faulty Front Left Turn Lamp
- Front Left Turn Lamp harness is open or shorted
- Front Left Turn Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B163B Jeep?
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 B163B Jeep 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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Frequently Asked Questions about B163B Jeep Code
What does the OBDII code B163B mean for my Jeep?
B163B indicates a problem with the front left turn control circuit, specifically that the circuit is experiencing low voltage or a short.
What are common symptoms of the B163B code?
Common symptoms include malfunctioning left turn signals, dashboard warning lights, and potentially other lighting issues on the front left side of the vehicle.
What could cause the B163B code to trigger?
Possible causes include a faulty turn signal bulb, damaged wiring or connectors in the turn signal circuit, or a malfunctioning body control module (BCM).
How can I diagnose the issue related to code B163B?
Start by checking the left turn signal bulb for proper function, inspect the wiring and connectors for damage, and use a multimeter to test voltage in the circuit.
Is it safe to drive my Jeep with the B163B code active?
While it may still be safe to drive, the malfunctioning turn signals can lead to unsafe driving conditions, especially when signaling for turns or lane changes.
Can I clear the B163B code myself?
Yes, you can clear the code using an OBDII scanner, but if the underlying issue is not fixed, the code will likely return.
What are some repair tips for fixing the B163B code?
Check and replace the left turn signal bulb if it's burnt out, inspect and repair any damaged wiring, and ensure all connectors are secure and free of corrosion.
Will a blown fuse cause the B163B code?
Yes, a blown fuse related to the turn signal circuit can cause the B163B code to activate due to a lack of power reaching the circuit.
Should I consult a professional mechanic for code B163B?
If you are unable to diagnose or fix the issue yourself, or if the problem persists after your attempts, it’s advisable to consult a professional mechanic for further diagnosis and repair.
Discuss the causes and fixes for B163B Jeep OBDII Code
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