B1637 RAM Code - Right High Beam Control Circuit Low
Quick Answer
The B1637 diagnostic trouble code (DTC) indicates a problem with the right high beam control circuit being detected as low. Common causes include Faulty wiring or connections in the high beam control circuit, Malfunctioning headlight control module, Defective high beam switch. 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
- B1637 RAM indicates Right High Beam Control Circuit Low.
- Common causes
- Common causes include Faulty wiring or connections in the high beam control circuit, Malfunctioning headlight control module, Defective high beam switch.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1637 RAM Description
The B1637 diagnostic trouble code (DTC) indicates a problem with the right high beam control circuit being detected as low. This code is typically found in vehicles equipped with automatic headlight control systems. The high beam control circuit is responsible for activating the high beam headlights when needed, providing better visibility in low-light conditions. When this circuit is detected as low, it means that there is a malfunction that is preventing the high beam headlights from operating properly.
Common Causes of B1637 RAM
- Faulty wiring or connections in the high beam control circuit.
- Malfunctioning headlight control module.
- Defective high beam switch.
- Burnt-out high beam bulbs.
- Corrosion or damage to the high beam circuit components.
Symptoms of B1637 RAM
- Dim or flickering high beam headlights.
- High beam headlights not turning on at all.
- Dashboard warning light indicating a headlight malfunction.
- Inconsistent high beam operation.
How to Fix B1637 RAM
- Begin by inspecting the wiring and connections in the right high beam control circuit for any damage or corrosion. Repair or replace any damaged wiring or connections.
- Test the headlight control module to determine if it is functioning correctly. Replace the module if necessary.
- Check the high beam switch for proper operation. Replace the switch if it is faulty.
- Inspect the high beam bulbs for signs of damage or burnt-out filaments. Replace any defective bulbs.
- Clear the DTC from the vehicle's memory using a diagnostic scanner after completing the repairs.
Cost to Fix B1637 RAM
The typical repair costs for addressing a B1637 DTC can vary depending on the specific cause of the issue. In general, the cost of parts such as wiring, headlight control modules, switches, and bulbs can range from $50 to $200. Labor costs can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on the specific vehicle make and model. Keep in mind that diagnostic time and labor rates can vary, so it's recommended to inquire about these factors before proceeding with the repair.
Need more information about the B1637 RAM code?
Need more information on how to fix the B1637 RAM code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1637 RAM code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1637 RAM Code
1. What are common symptoms of OBDII code B1637 RAM titled Right High Beam Control Circuit Low?
- Dim or non-functioning right high beam headlight, dashboard warning light indicating a fault in the high beam circuit.
2. What are possible causes of OBDII code B1637 RAM?
- Faulty high beam bulb, damaged wiring or connectors in the high beam circuit, malfunctioning headlight control module.
3. How can I diagnose the cause of OBDII code B1637 RAM?
- Use a multimeter to test the continuity of the high beam circuit, visually inspect the wiring and connectors for signs of damage or corrosion.
4. Can a blown fuse cause OBDII code B1637 RAM?
- Yes, a blown fuse in the high beam circuit can trigger this code, so it's important to check and replace any blown fuses.
5. How can I fix OBDII code B1637 RAM?
- Replace the faulty high beam bulb, repair any damaged wiring or connectors, replace the headlight control module if necessary.
6. Is it safe to continue driving with OBDII code B1637 RAM?
- It is generally safe to drive with this code, but it's important to address the issue promptly to ensure proper functioning of the high beam headlights.
7. Can a DIY enthusiast repair OBDII code B1637 RAM?
- Yes, basic repairs like replacing a bulb or fixing wiring issues can often be done by DIY enthusiasts with the right tools and knowledge.
8. Will resetting the OBDII code B1637 RAM make it go away permanently?
- Resetting the code may temporarily turn off the warning light, but it will reappear if the underlying issue is not addressed and fixed.
9. Should I take my vehicle to a mechanic for OBDII code B1637 RAM?
- If you are unsure about diagnosing or repairing the issue yourself, it's recommended to take your vehicle to a qualified mechanic for proper inspection and repair.
10. Can extreme weather conditions cause OBDII code B1637 RAM?
- Extreme temperatures or moisture can sometimes affect the high beam circuit, leading to issues that trigger this code.
Discuss the causes and fixes for B1637 RAM OBDII Code
Code B1637 RAM comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.