Electrical
Multiple Warning Lights On
Description
Several unrelated warning lights illuminate simultaneously. Often a sign of a network/communication fault rather than multiple separate failures.
Common Causes
CAN bus communication failure
Failed control module disrupting bus communication
Power or ground fault to a module
Low battery voltage causing multiple modules to fault
Related Trouble Codes
P0600
Serial Communication Link Malfunction
High
P0601
Internal Control Module Memory Check Sum Error
Critical
U0001
High Speed CAN Communication Bus
High
U0073
Control Module Communication Bus Off
High
U0100
Lost Communication With ECM/PCM
Critical
U0101
Lost Communication With TCM
High
U0121
Lost Communication With ABS Control Module
High
U0140
Lost Communication With Body Control Module
High
U0155
Lost Communication With Instrument Panel Cluster
Moderate
U0164
Lost Communication With HVAC Control Module
Low
Was this information helpful?
Quick Info
| System | Electrical |
| Related DTCs | 10 |