U0148
Lost Communication With Serial Data Gateway Module C
U0148 is an OBD-II diagnostic trouble code meaning: Lost Communication With Serial Data Gateway Module C. Common causes: broken or damaged wiring, data gateway module power issues. Estimated repair cost: ~$278.
Symptoms
- The Check Engine light comes on
- Incorrect operation of several vehicle systems
- Intermittent operation of electronic components
- Lack of communication with diagnostic equipment through some connectors
- Errors in the infotainment system
Causes
- Broken or damaged wiring
- Data Gateway Module Power Issues
- Malfunction of the data gateway module itself
- Corrosion of connector contacts
- Software error in the control unit
How to Fix
- Check the integrity of wiring and connectors
- Check fuses associated with the module
- Scan all systems for additional errors
- Check the module supply voltage
- If necessary, replace or reflash the data gateway module
Related codes
Error U0148 by Vehicle Brand
FAQ
What does the U0148 code mean?
U0148 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Serial Data Gateway Module C
What causes a U0148 error code?
The most common causes of U0148 include: Broken or damaged wiring; Data Gateway Module Power Issues; Malfunction of the data gateway module itself; Corrosion of connector contacts.
How do I fix a U0148 diagnostic trouble code?
To fix U0148: Check the integrity of wiring and connectors. Check fuses associated with the module. Scan all systems for additional errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0148?
Limited driving only, diagnose soon
How much does it cost to fix U0148?
The estimated repair cost for U0148 is ~$278. Actual cost depends on your vehicle, location, and labor rates.
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