U0148

Lost Communication With Serial Data Gateway Module C

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

~$278 (est.)

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

U0140 U0141 U0155