U0058
NetworkModule Communicationhigh severityControl Module Communication Bus E Shorted To Ground
What U0058 Means
Communication bus E is shorted to ground, pulling the signal low. Modules on that bus cannot communicate.
Symptoms
- Multiple warning lights
- Loss of functions
- No scan tool communication
Common Causes
- Bus E wire shorted to ground
- Pinched or chafed harness
- Faulty control module
- Corroded connector pins
Diagnostic Steps
- Scan for communication codes
- Inspect bus E wiring for ground short
- Measure resistance to ground
- Isolate modules to find fault
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