B2471 Chevrolet Code - Interior Lights Fault
Quick Answer
Interior lights are commanded by Platform Zone Module (PZM) through an output to Courtesy Lights Relay. Common causes include Faulty Courtesy Lights Relay, Courtesy Lights Relay harness is open or shorted, Courtesy Lights 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
- B2471 Chevrolet indicates Interior Lights Fault.
- Common causes
- Common causes include Faulty Courtesy Lights Relay, Courtesy Lights Relay harness is open or shorted, Courtesy Lights 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 B2471 Chevrolet Description
A short to ground will be tested when inadvertent power is active, interior lights output is inactive, and the Diagnostic Trouble Code (DTC) B1971 is not set as current. A short to the battery will be tested when inadvertent power is active, interior lights output is active, and DTC B1971 is not set as current.
DTC B2471 will set when the commanded state of interior lights does not match the feedback state. When DTC B2471 is set, PZM will continue to command the state requested until IPC revokes request. DTC B2471 will clear when commanded state matches the feedback state.
What are the Possible Causes of the DTC B2471 Chevrolet?
- Faulty Courtesy Lights Relay
- Courtesy Lights Relay harness is open or shorted
- Courtesy Lights Relay circuit poor electrical connection
- Faulty Platform Zone Module (PZM)
How to Fix the DTC B2471 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 B2471 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.
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Frequently Asked Questions about B2471 Chevrolet Code
1. What are the common symptoms of OBDII code B2471 in a Chevrolet related to interior lights fault?
- Dim or flickering interior lights, lights staying on when the doors are closed, or interior lights not turning on when the doors are opened.
2. What could be the primary cause of OBDII code B2471 in a Chevrolet triggering an interior lights fault?
- The most common cause is a faulty door jamb switch, which fails to detect when a door is opened or closed.
3. How can I diagnose the interior lights fault related to OBDII code B2471 in my Chevrolet?
- Start by checking the door jamb switches for proper operation and connection. Inspect the wiring harness for any damage or corrosion that could be causing a faulty connection.
4. What are some repair tips for resolving the interior lights fault associated with OBDII code B2471 in a Chevrolet?
- Clean the door jamb switches and ensure they are properly aligned with the doors. Replace any faulty switches or damaged wiring harnesses to resolve the issue.
5. Can the interior lights fault related to OBDII code B2471 in a Chevrolet cause any other problems?
- While the primary issue is related to interior lights malfunctioning, a faulty door jamb switch can also affect other vehicle systems that rely on door position information, such as security systems or interior electronics.
6. Is it safe to continue driving my Chevrolet with the interior lights fault triggered by OBDII code B2471?
- While the issue may not affect the drivability of the vehicle, it is recommended to address the fault promptly to prevent draining the battery due to lights staying on or potential safety concerns from lights not functioning properly.
7. Are there any recalls or technical service bulletins related to OBDII code B2471 in Chevrolet vehicles for interior lights faults?
- It's advisable to check with a Chevrolet dealership or refer to the manufacturer's website for any relevant recalls or bulletins addressing interior lights issues associated with this OBDII code.
8. Can I reset the OBDII code B2471 in my Chevrolet to see if the interior lights fault returns?
- Resetting the code may temporarily clear the fault, but if the underlying issue, such as a faulty door jamb switch, is not addressed, the problem is likely to reoccur.
9. How much does it typically cost to repair the interior lights fault linked to OBDII code B2471 in a Chevrolet?
- The cost of repair can vary depending on the exact cause of the issue and whether any components need replacement. Costs may range from a simple switch replacement to more extensive wiring repairs.
10. Is it possible to prevent the interior lights fault related to OBDII code B2471 in a Chevrolet from happening again in the future?
- Regularly inspecting and maintaining the door jamb switches, keeping them clean and properly aligned, can help prevent the recurrence of the interior lights fault associated with this OBDII code.
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