U0149
Lost Communication With Serial Data Gateway Module D
U0149 is an OBD-II diagnostic trouble code meaning: Lost Communication With Serial Data Gateway Module D. Common causes: data gateway module failure, open or short circuit in the communication circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Some car electronic systems do not work
- Problems with diagnostics via OBD-II connector
- Malfunctions of the multimedia system
- Errors in the operation of other electronic modules
Causes
- Data Gateway Module Failure
- Open or short circuit in the communication circuit
- Poor contact in module connectors
- Software error in the module
- Problems with power supply of electronic modules
How to Fix
- Check the condition of the battery and the voltage in the on-board network
- Inspect the gateway module connectors and wiring harnesses for damage.
- Check the continuity of the communication circuit using a multimeter
- Scan all modules for additional errors
- Replace the data gateway module if necessary
Related codes
Error U0149 by Vehicle Brand
FAQ
What does the U0149 code mean?
U0149 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Serial Data Gateway Module D
What causes a U0149 error code?
The most common causes of U0149 include: Data Gateway Module Failure; Open or short circuit in the communication circuit; Poor contact in module connectors; Software error in the module.
How do I fix a U0149 diagnostic trouble code?
To fix U0149: Check the condition of the battery and the voltage in the on-board network. Inspect the gateway module connectors and wiring harnesses for damage.. Check the continuity of the communication circuit using a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0149?
Limited driving only, diagnose soon
How much does it cost to fix U0149?
The estimated repair cost for U0149 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat