B158C
SD Card Communication Malfunction
B158C is an OBD-II diagnostic trouble code meaning: SD Card Communication Malfunction. Common causes: damaged or faulty sd card, oxidation or damage to the contacts in the sd card connector. Estimated repair cost: $6–167.
Symptoms
- Navigation system does not work
- Media screen does not display maps or data
- Error message on display
- Audio system malfunctions
Causes
- Damaged or faulty SD card
- Oxidation or damage to the contacts in the SD card connector
- Malfunction of the wiring harness leading to the connector
- Software failure in the ECU
- SD Card Circuit Power Problems
How to Fix
- Check the SD card on another device (if possible)
- Clean the contacts of the SD card and connector
- Try replacing the SD card with a known good one
- Check the integrity of the wiring harness and connector
- Reset the ECU or update its software
- If necessary, replace the connector or ECU
Related codes
FAQ
What does the B158C code mean?
B158C is an OBD-II diagnostic trouble code that indicates: SD Card Communication Malfunction
What causes a B158C error code?
The most common causes of B158C include: Damaged or faulty SD card; Oxidation or damage to the contacts in the SD card connector; Malfunction of the wiring harness leading to the connector; Software failure in the ECU.
How do I fix a B158C diagnostic trouble code?
To fix B158C: Check the SD card on another device (if possible). Clean the contacts of the SD card and connector. Try replacing the SD card with a known good one. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B158C?
Yes, but get it checked soon
How much does it cost to fix B158C?
The estimated repair cost for B158C is $6–167. Actual cost depends on your vehicle, location, and labor rates.
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