OBD-II code · Network
U0487 Invalid Data Received From Audio Amplifier A
A receiving module detected implausible data from audio amplifier A. Channel level, source select or fault status values fail plausibility checks and are rejected.
Is it safe to drive with U0487?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyModule internal fault or sensor input drift
- PossibleSoftware version mismatch after replacement
- 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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Audio Amplifier A
Related codes
- U0563Invalid Data Received From Audio Amplifier B
- U0484Invalid Data Received From Lighting Control Module — Rear A
- U0485Invalid Data Received From Radio
- U0486Invalid Data Received From Antenna Control Module
- U0488Invalid Data Received From Digital Disc Player/Changer Module A
- U0489Invalid Data Received From Digital Disc Player/Changer Module B
- U048AInvalid Data Received From Digital Disc Player/Changer Module C
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.