Network
generic / SAE
U0596
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.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number5 / 96
Possible causes
- Module internal fault or sensor input drift high
- Software version mismatch after replacement medium
- Gateway module routing CAN messages incorrectly low
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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–3000 €
- Estimated time: 1–5 h
- Component: ac ac converter module
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012