Fault code lookup

Hafei fault codes

5,198 codes · 12 vehicle records · 0 ECU records · 0 live-data parameters

Search only Hafei codes

Codes 5,198

CodeDescriptionBrandsSystem
P3490Cylinder 12 Deactivation/Intake Valve Control Circuit Performance21Powertrain
P3491Cylinder 12 Deactivation/Intake Valve Control Circuit Low21Powertrain
P3492Cylinder 12 Deactivation/Intake Valve Control Circuit High22Powertrain
P3493Cylinder 12 Exhaust Valve Control Circuit/Open21Powertrain
P3494Cylinder 12 Exhaust Valve Control Circuit Performance22Powertrain
P3495Cylinder 12 Exhaust Valve Control Circuit Low21Powertrain
P3496Cylinder 12 Exhaust Valve Control Circuit High21Powertrain
P3497Cylinder Deactivation System (Bank 2)24Powertrain
U0001High Speed CAN Communication Bus41Network
U0002High Speed CAN Communication Bus Performance34Network
U0003High Speed CAN Communication Bus (+) Open25Network
U0004High Speed CAN Communication Bus (+) Low23Network
U0005High Speed CAN Communication Bus (+) High23Network
U0006High Speed CAN Communication Bus (-) Open24Network
U0007High Speed CAN Communication Bus (-) Low23Network
U0008High Speed CAN Communication Bus (-) High23Network
U0009High Speed CAN Communication Bus (-) Shorted to Bus (+)24Network
U0010Medium Speed CAN Communication Bus24Network
U0011Medium Speed CAN Communication Bus Performance25Network
U0012Medium Speed CAN Communication Bus (+) Open22Network
U0013Medium Speed CAN Communication Bus (+) Low24Network
U0014Medium Speed CAN Communication Bus (+) High24Network
U0015Medium Speed CAN Communication Bus (-) Open23Network
U0016Medium Speed CAN Communication Bus (-) Low24Network
U0017Medium Speed CAN Communication Bus (-) High23Network
U0018Medium Speed CAN Communication Bus (-) Shorted to Bus (+)23Network
U0019Low Speed CAN Communication Bus28Network
U0020Low Speed CAN Communication Bus Performance26Network
U0021Low Speed CAN Communication Bus (+) Open25Network
U0022Low Speed CAN Communication Bus (+) Low25Network
U0023Low Speed CAN Communication Bus (+) High26Network
U0024Low Speed CAN Communication Bus (-) Open25Network
U0025Low Speed CAN Communication Bus (-) Low25Network
U0026Low Speed CAN Communication Bus (-) High25Network
U0027Low Speed CAN Communication Bus (-) Shorted to Bus (+)22Network
U0028Vehicle Communication Bus A32Network
U0029Vehicle Communication Bus A Performance27Network
U0030Vehicle Communication Bus A (+) Open21Network
U0031Vehicle Communication Bus A (+) Low21Network
U0032Vehicle Communication Bus A (+) High21Network
U0033Vehicle Communication Bus A (-) Open20Network
U0034Vehicle Communication Bus A (-) Low20Network
U0035Vehicle Communication Bus A (-) High20Network
U0036Vehicle Communication Bus A (-) Shorted to Bus (+)22Network
U0037Vehicle Communication Bus B31Network
U0038Internal (Master / Slave) CAN bus (SAE bus B): performance; No or incorrect basic setting / adaptation25Network
U0039Vehicle communication bus B (+) open21Network
U0040Vehicle communication bus B (+) low22Network
U0041Vehicle communication bus B (+) high20Network
U0042Vehicle Communication Bus B Open21Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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