Invalid Data Received From AC/AC Converter Control Module
A receiving module detected implausible data from the AC/AC converter control module (transformer/frequency-converter for industrial-vehicle accessories). Voltage or frequency values fail plausibility checks and are rejected.
Affected components
- Ac ac converter module
Common causes
- High likelihood: Module internal fault or sensor input drift
- Medium likelihood: Software version mismatch after replacement
- Low likelihood: Gateway module routing CAN messages incorrectly
Possible 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
Diagnostic notes
- The malfunction indicator lamp may illuminate
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.