B16B2 Code - Left Stop Lamp Control Circuit Open
Quick Answer
The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. Common causes include Faulty Left Stop Lamp, Left Stop Lamp harness is open or shorted, Left Stop Lamp 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
- B16B2 indicates Left Stop Lamp Control Circuit Open.
- Common causes
- Common causes include Faulty Left Stop Lamp, Left Stop Lamp harness is open or shorted, Left Stop Lamp 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 B16B2 Description
What are the Possible Causes of the DTC B16B2?
- Faulty Left Stop Lamp
- Left Stop Lamp harness is open or shorted
- Left Stop Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B16B2?
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 B16B2 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
- B16B2 Chrysler — Left Stop Lamp Control Circuit Open
- B16B2 Dodge — Left Stop Lamp Control Circuit Open
- B16B2 Jeep — Left Stop Lamp Control Circuit Open
- B16B2 RAM — Left Stop Lamp Control Circuit Open
Frequently Asked Questions about B16B2 Code
Q: What does OBDII code B16B2 mean?
1. **A:** Code B16B2 indicates an open circuit in the left stop lamp control circuit, which prevents the left brake light from functioning properly. 2.
Q: What are the common symptoms of code B16B2?
**A:** Symptoms include the left brake light not working, a warning light on the dashboard, and possible safety issues due to reduced visibility to other drivers. 3.
Q: What causes the B16B2 code to appear?
**A:** Common causes include a burnt-out brake light bulb, damaged wiring, a faulty brake light socket, or a malfunctioning brake light switch. 4.
Q: How can I diagnose the B16B2 code?
**A:** Inspect the left brake light bulb, check the wiring and connectors for damage, and use a multimeter to test for continuity in the circuit. 5.
Q: Can I still drive my vehicle with the B16B2 code?
**A:** While the vehicle may still be drivable, driving with a non-functional brake light is unsafe and may result in a traffic violation. 6.
Q: How do I fix the B16B2 code?
**A:** Repairs may involve replacing the brake light bulb, repairing damaged wiring, cleaning or replacing the brake light socket, or replacing the brake light switch. 7.
Q: How much does it cost to repair the B16B2 code?
**A:** Costs vary depending on the issue, but replacing a bulb is typically inexpensive, while repairing wiring or replacing a switch may cost more in parts and labor. 8.
Q: Can a faulty fuse cause the B16B2 code?
**A:** Yes, a blown fuse can interrupt the circuit and trigger this code. Checking the fuse for the brake light circuit is an important step in diagnosis. 9.
Q: Will resetting the code fix the problem?
**A:** Resetting the code may clear it temporarily, but the underlying issue must be repaired to prevent the code from returning. 10.
Q: How can I prevent the B16B2 code from recurring?
**A:** Regularly inspect and maintain the brake light system, including checking bulbs, fuses, and wiring, to avoid circuit issues.
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