U02A3

DTC U02A3, sometimes indicated as U02A300 is an OBD diagnostic trouble code indicating a generic fault with the vehicle user network.

DTC Trouble Code Search

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

CBR-2131 202308 - ENGINE AND ENGINE COOLING
MACK: Cbr: intermittent diagnostic trouble codes U02A3,U029D, U029E - use for new vehicles (us21+obd22 emissions)
CBR-2131 202308 - ENGINE AND ENGINE COOLING
VOLVO: Cbr: intermittent diagnostic trouble codes U02A3,U029D, U029E - use for new vehicles (us21+obd22 emissions)
SSM 51791 - ENGINE AND ENGINE COOLING
FORD: Some 2023 f-super duty vehicles equipped with a 6.7l engine may exhibit an illuminated malfunction indicator lamp (mil) with diagnostic trouble codes (dtc) U029D, U029E, U02A1, U02A3, P2209, P24D0, P22A7, and/or P23B5. This may be due to a
SSM 51750 - ENGINE AND ENGINE COOLING
FORD: Some 2023 f-super duty vehicles equipped with a 6.7l engine, and built on or before 02-may-2023, may exhibit an illuminated malfunction indicator lamp (mil) with diagnostic trouble codes (dtc) U029D, U029E, U02A1, U02A3, P2209, P24D0, P22A7
S2218000023 - EXTERIOR LIGHTING
JEEP: Malfunction indicator lamp (mil) illuminated. Diagnostic trouble code (dtc) U02A3 ? Lost communication ith particulate matter (pm) sensor, set after pm sensor replacement.
CBR-2131 - ENGINE AND ENGINE COOLING
VOLVO BUS: Use for new vehicles (us21+obd22 emissions) - intermittent diagnostic trouble codes U02A3, U029D, U029E
CBR-2131 - ENGINE AND ENGINE COOLING
MACK: Use for new vehicles (us21+obd22 emissions) - intermittent diagnostic trouble codes U02A3, U029D, U029E
KC-2131 - ENGINE AND ENGINE COOLING
MACK TRUCKS INC.: Use for new vehicles (us21+obd22 emissions) - intermittent diagnostic trouble codes U02A3, U029D, U029E
KC-2131 - ENGINE AND ENGINE COOLING
VOLVO: Use for new vehicles (us21+obd22 emissions) - intermittent diagnostic trouble codes U02A3, U029D, U029E