B1632 Dodge Code - Left High Beam Control Circuit Short
Quick Answer
The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting high beam lamp illumination. Common causes include Faulty Left High Beam Bulb, Left High Beam Bulb harness is open or shorted, Left High Beam Bulb 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
- B1632 Dodge indicates Left High Beam Control Circuit Short.
- Common causes
- Common causes include Faulty Left High Beam Bulb, Left High Beam Bulb harness is open or shorted, Left High Beam Bulb 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 B1632 Dodge Description
What are the Possible Causes of the DTC B1632 Dodge?
- Faulty Left High Beam Bulb
- Left High Beam Bulb harness is open or shorted
- Left High Beam Bulb circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1632 Dodge?
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.
Code Tech Notes
B1632-11 LEFT HIGH BEAM CONTROL CIRCUIT SHORT TO GROUND PREMIUM
B1632-15 LEFT HIGH BEAM CONTROL CIRCUIT SHORT TO BATTERY OR OPEN BASE
B1632-15 LEFT HIGH BEAM CONTROL CIRCUIT SHORT TO BATTERY OR OPEN PREMIUM
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1632 Dodge 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 B1632 Dodge Code
1. What does the OBDII code B1632 mean on a Dodge vehicle?
The B1632 code indicates a short circuit in the left high beam control circuit, which is responsible for controlling the left high beam headlight.
2. What are the common symptoms of the B1632 code?
Symptoms include the left high beam not working, flickering, or staying on constantly, along with possible warning lights on the dashboard.
3. What causes the B1632 code to appear?
Common causes include damaged wiring, a faulty left high beam bulb, a shorted headlight relay, or a malfunctioning body control module (BCM).
4. Can I still drive my Dodge vehicle with the B1632 code?
Yes, but you may have reduced visibility at night due to the left high beam malfunction, which could compromise safety.
5. How do I diagnose the B1632 code?
Start by inspecting the left high beam bulb, wiring, and connectors for damage or corrosion. Use a multimeter to check for continuity and locate any short circuits.
6. What should I do if the left high beam bulb is functional but the code persists?
If the bulb is functional, check the headlight relay, fuses, and the wiring harness for damage. If all seem fine, the issue might be with the BCM.
7. Can a faulty high beam bulb cause the B1632 code?
Yes, a faulty or improperly installed bulb can cause a short circuit, triggering the B1632 code.
8. How much does it cost to fix the B1632 code?
Repairs can range from $20 for a replacement bulb to $500 or more if the body control module needs replacement.
9. Can I clear the B1632 code without fixing the issue?
You can clear the code with an OBDII scanner, but it will likely return if the underlying problem is not resolved.
10. Do I need a professional mechanic to fix the B1632 code?
Simple issues like a bad bulb or fuse can be fixed yourself, but for complex wiring or BCM problems, professional diagnosis is recommended.
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