U05A7Invalid Data Received From Safety Integration Control Module
- Generic OBD-II code · Network
- How the car detects it
- The Safety Integration Control Module appears in the SAE code catalogue, yet no carmaker explains in public what this unit does or which models carry it; the name suggests a controller that ties several safety functions together. U05A7 is stored by a receiving module that still gets the unit's frames but refuses what they contain. Safety-related signals are normally secured end to end: the AUTOSAR E2E protocol attaches a CRC to detect altered bits, a counter to spot repeated or reordered frames and a data ID so that a wrong sender is recognised. Failing one of these checks is the typical trigger. No manufacturer documents U05A7 or its partner U02A6, which stands for a module that has gone silent. Expect warnings and reduced assistance, not an emissions fault.
- What you may notice
- Warning message about safety or assistance systems
- Individual assistance functions unavailable
- Further network codes stored in several modules
- Likely causes
- PossibleSoftware fault or outdated software in the safety integration module
- PossibleModule replaced or reprogrammed without matching vehicle configuration
- RareCorrupted frames from wiring, connector or termination faults on the bus
- RareLow supply voltage during start or after battery discharge
- Repair
- Hard · Usually a job for a workshop.Typical cost: €100 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.