B2473 Chevrolet Code - High Beam Output Fault
Quick Answer
High beams are commanded by Platform Zone Module (PZM) through an output to HI/LO beam relay. Common causes include Faulty High/Low Headlamp Relay, High/Low Headlamp Relay harness is open or shorted, High/Low Headlamp Relay 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
- B2473 Chevrolet indicates High Beam Output Fault.
- Common causes
- Common causes include Faulty High/Low Headlamp Relay, High/Low Headlamp Relay harness is open or shorted, High/Low Headlamp Relay 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 B2473 Chevrolet Description
The Diagnostic Trouble Code (DTC) B2473 will set when commanded state of high beams does not match the feedback state. When DTC B2473 is set, PZM will continue to command state requested until IPC revokes request. DTC B2473 will clear when the commanded state matches the feedback state.
What are the Possible Causes of the DTC B2473 Chevrolet?
- Faulty High/Low Headlamp Relay
- High/Low Headlamp Relay harness is open or shorted
- High/Low Headlamp Relay circuit poor electrical connection
- Faulty Platform Zone Module (PZM)
How to Fix the DTC B2473 Chevrolet?
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 B2473 Chevrolet 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.
Need more information about the B2473 Chevrolet code?
Need more information on how to fix the B2473 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2473 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B2473 Chevrolet Code
1. What are the common symptoms of OBDII code B2473 on a Chevrolet related to high beam output fault?
- Common symptoms include non-functioning high beam headlights, flickering lights, or high beams that stay on constantly.
2. What are the possible causes of OBDII code B2473 indicating a high beam output fault in a Chevrolet?
- The code B2473 can be triggered by issues such as a faulty high beam relay, a defective high beam switch, wiring problems, or a malfunctioning body control module.
3. How can I diagnose the high beam output fault associated with OBDII code B2473 on my Chevrolet?
- To diagnose this issue, you can start by checking the high beam relay, inspecting the high beam switch for proper functionality, and examining the wiring for any visible damage or loose connections.
4. Can a DIY enthusiast repair the high beam output fault linked to OBDII code B2473 in a Chevrolet?
- Depending on your level of automotive expertise, you may be able to repair the high beam output fault yourself by replacing the faulty relay or fixing any wiring issues. However, if you are unsure, it is advisable to seek professional help.
5. Is it safe to continue driving my Chevrolet with OBDII code B2473 triggered by a high beam output fault?
- It is not recommended to drive with non-functioning high beams as they are crucial for visibility in low-light conditions. Get the issue diagnosed and repaired as soon as possible to ensure your safety on the road.
6. How much can I expect to pay for repairing the high beam output fault causing OBDII code B2473 on my Chevrolet?
- The cost of repairs can vary depending on the exact cause of the issue and whether you choose to fix it yourself or take it to a professional mechanic. Be prepared for potentially moderate repair costs.
7. Are there any preventive measures to avoid encountering OBDII code B2473 due to a high beam output fault in the future?
- Regularly inspecting and maintaining the electrical components related to your high beams, such as the relay and wiring, can help prevent issues that may lead to the triggering of OBDII code B2473.
8. Can a malfunctioning body control module cause OBDII code B2473 related to a high beam output fault in a Chevrolet?
- Yes, a malfunctioning body control module can indeed be a potential cause of OBDII code B2473 indicating a high beam output fault in a Chevrolet. It is recommended to have the module properly diagnosed and repaired if necessary.
9. Will resetting the OBDII system clear the B2473 code related to a high beam output fault on my Chevrolet?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the high beam output fault persists, the code is likely to reappear. It is crucial to address the root cause of the problem.
10. Can a high beam output fault causing OBDII code B2473 on a Chevrolet impact other vehicle systems?
- While the high beam output fault itself may not directly affect other vehicle systems, addressing the issue promptly is important to prevent potential electrical problems that could impact other components in your Chevrolet.
Discuss the causes and fixes for B2473 Chevrolet OBDII Code
Code B2473 Chevrolet 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.
