B1634 Chrysler Code - Left High Beam Control Circuit High
Quick Answer
The Front Totally Integrated Power Module (TIPM) monitors the Left High Beam. 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
- B1634 Chrysler indicates Left High Beam Control Circuit High.
- 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 B1634 Chrysler Description
What are the Possible Causes of the DTC B1634 Chrysler?
- Faulty Left High Beam Bulb
- Left High Beam Bulb harness is open or shorted
- Left High Beam Bulb circuit poor electrical connection
- Faulty Front Totally Integrated Power Module (TIPM)
How to Fix the DTC B1634 Chrysler?
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 B1634 Chrysler 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 B1634 Chrysler Code
What does the OBDII code B1634 mean for a Chrysler vehicle?
The B1634 code indicates a problem with the left high beam control circuit, specifically that the voltage is too high.
What are the common symptoms of the B1634 code?
Symptoms may include the left high beam not functioning, flickering lights, or the high beam indicator staying on or malfunctioning.
What causes the B1634 code to appear?
Common causes include a faulty left high beam bulb, damaged wiring, a malfunctioning high beam relay, or a defective body control module (BCM).
How can I diagnose the B1634 code on my Chrysler?
Start by inspecting the left high beam bulb, wiring, and connectors for damage or corrosion. Check the high beam relay and test for proper voltage using a multimeter.
Can I drive my Chrysler with the B1634 code present?
While the vehicle may still be drivable, it is unsafe to drive at night or in poor visibility conditions without a functioning high beam.
How do I fix the B1634 code on my Chrysler?
Repairs may include replacing the high beam bulb, repairing or replacing damaged wiring, replacing the high beam relay, or reprogramming or replacing the BCM if necessary.
How much does it cost to repair the B1634 code?
The cost depends on the specific issue. Replacing a bulb may cost under $50, while wiring or BCM repairs could range from $100 to $1,000.
Can a blown fuse cause the B1634 code?
Yes, a blown fuse in the high beam circuit can cause this issue. Check the fuse box and replace any blown fuses.
Will resetting the code fix the problem?
Clearing the code without addressing the underlying issue will only temporarily remove it. The code will return if the problem persists.
Do I need a professional mechanic to fix the B1634 code?
Simple fixes like replacing a bulb can be done by most vehicle owners, but complex wiring issues or BCM problems may require professional assistance.
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