OBD-II Network Error Code U0106: How to Fix It

Q: Can I drive with OBD-II error code U0106?

You can drive short distances, but starting will be difficult especially in cold weather. The vehicle may have reduced power and increased emissions. Address the issue promptly to avoid engine damage.

Q: What causes U0106 glow plug communication error?

Common causes include blown fuses, corroded wiring connections, faulty glow plugs, damaged wiring harness, or a failed glow plug control module.

Q: How much does it cost to fix U0106 error code?

Repair costs vary from $50-200 for fuses and wiring repairs, $200-400 for glow plug replacement, or $400-800 for glow plug control module replacement including labor.

Q: Will U0106 cause my diesel engine not to start?

In warm weather, the engine may start but run roughly. In cold weather, the engine may not start at all or take much longer to start since glow plugs preheat the combustion chamber.

Q: Is U0106 the same on all diesel vehicles?

Yes, U0106 is a standardized OBD-II code meaning lost communication with glow plug control module across all diesel vehicle brands, though repair procedures may vary by manufacturer.

Abstract

OBD-II error code U0106 indicates your vehicle's engine control module has lost communication with the glow plug control module. This is common in diesel vehicles and can cause hard starting, especially in cold weather.