U0477Invalid Data Received From Restraints System Sensor G
- Generic OBD-II code · Network
- How the car detects it
- U0477 concerns restraints sensor G, whose messages arrive but are judged invalid; U0176 is lost contact. In Chrysler's lists from NHTSA investigation PE11-019, G names the second satellite on the right flank, an acceleration sensor with internal fault B1B76, and appears only on the six-sensor Compass and Patriot. What invalid data look like in practice is spelled out in Aston Martin's restraint control module manual: for the right C-pillar sensor of the Rapide it separates a dead line, Manchester or parity errors, readings outside the measuring range and plausibility faults, and often suspects a sensor with the wrong part number. Manchester bit coding with a parity bit is the PSI5 frame format. Airbag lamp on, no MIL.
- What you may notice
- Airbag warning lamp on
- Right rear side impact sensing reduced
- Likely causes
- PossibleSensor of an unsuitable part number installed
- PossibleTrapped or chafed sensor line causing corrupted telegrams
- RareSensor reporting values outside its measuring range
- Repair
- Hard · Usually a job for a workshop.Typical cost: €80 – €500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.