B2385
Low Severity (Level 1)Audio Navigation Mute Input Ckt Failure
B2385 usually means audio Navigation Mute Input Ckt Failure.
Can you still drive with B2385?
✅Safe to drive — this is an informational or minor issue. Schedule diagnosis at your convenience.
Typical repair cost: $100 – $1500
Severity Level 1 — Low
This code indicates a minor issue that is unlikely to cause immediate driveability problems. You can typically continue driving but should have the vehicle inspected at your earliest convenience.
Common Symptoms
- Audio system not functioning as expected
- Radio/infotainment screen blank or frozen
- Warning light or message on dashboard related to the audio/infotainment system
- Diagnostic trouble code (DTC) stored in module memory
Possible Causes
- Failed audio module — internal fault from age, heat cycling, and vibration
- Damaged wiring or corroded connector in the audio/infotainment system circuit
- Blown fuse for the audio/infotainment system circuit — check before replacing components
- Faulty control module driving the audio module
- Loose or corroded ground point shared by the audio/infotainment system
Common Fixes
- Scan vehicle with a professional-grade OBD2 scanner to read all stored codes and freeze frame data — note the conditions when the code set ($32-126 at shop, free at auto parts store for basic scan)
- Visually inspect the audio/infotainment system wiring harness and connectors — look for chafed wires, melted insulation, green corrosion, loose pins, or rodent damage (often free to check yourself, $62 diagnostic fee at shop)
- Replace audio module if testing confirms it has failed — use OEM quality, avoid the cheapest no-name aftermarket parts that fail in a year ($100-1500)
- Check and replace any blown fuses in the audio/infotainment system fuse circuit — if fuse blows again, there's still a short that needs to be found ($4-14 for fuses)
- Perform a wiggle test on the audio/infotainment system wiring harness while monitoring live data — see if the fault returns when you move the harness at different points ($0-127 diagnostic labor)
Estimated Repair Cost
These are estimated costs based on generic repair data. Actual costs may vary depending on your vehicle, location, and labor rates.
Frequently Asked Questions
What does B2385 mean?
B2385 stands for "Audio Navigation Mute Input Ckt Failure". B2385 usually means audio Navigation Mute Input Ckt Failure.
Can you drive with B2385?
Safe to drive — this is an informational or minor issue. Schedule diagnosis at your convenience.
How much does it cost to fix B2385?
Repair costs for B2385 typically range from $100 to $1500, depending on your vehicle make, model, and local labor rates. Common fixes include: Scan vehicle with a professional-grade OBD2 scanner to read all stored codes and freeze frame data — note the conditions when the code set ($32-126 at shop, free at auto parts store for basic scan); Visually inspect the audio/infotainment system wiring harness and connectors — look for chafed wires, melted insulation, green corrosion, loose pins, or rodent damage (often free to check yourself, $62 diagnostic fee at shop); Replace audio module if testing confirms it has failed — use OEM quality, avoid the cheapest no-name aftermarket parts that fail in a year ($100-1500).
Will B2385 clear itself?
Explore Repair Costs
Related OBD-II Codes
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