OBD-II code · Network
U0600 Internal Control Module Memory Reset
A control module reports that its non-volatile memory has been reset (lost adaptions, lost coding, lost trip counters). Often appears after battery disconnects, voltage drops below operating limit, or module reflashes.
Is it safe to drive with U0600?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBattery disconnected or low voltage event
- PossibleModule reflash or coding change
- Less likelyGateway module routing CAN messages incorrectly
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.1–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Control Module
Related codes
- U05BFInvalid Data Received From Trailer Backup Assist Control Module
- U05C0Invalid Data Received From Interior Lighting Control Module B
- U05C1Invalid Data Received From Active Radiator Air Flow Control Module A
- U0601Internal Control Module Software Incompatibility
- U0602Lost Communication With Particulate Filter Pressure Sensor B
- U0603Lost Communication With Fuel Pressure Sensor A
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.