Toyota B2 Fault Codes — 32 Codes

The 32 Toyota · Lexus · Daihatsu · Perodua fault codes that start with B2, with descriptions.

Code	Description
`B2271`	Ignition Hold Monitor Circuit Fault
`B2274`	ACC Monitor Circuit Fault
`B2275`	STSW Monitor Circuit Fault
`B2277`	Detecting Vehicle Submersion
`B2282`	Vehicle Speed Signal Circuit Fault
`B2284`	Brake Signal Circuit Fault
`B2286`	Runnable Signal Circuit Fault
`B2287`	LIN Communication Master Circuit Fault
`B2321`	Driver Side Door ECU Communication Stop
`B2322`	Front Passenger Side Door ECU Communication Stop
`B2323`	Rear Door Right ECU Communication Stop
`B2324`	Rear Door Left ECU Communication Stop
`B2325`	LIN Communication Bus Circuit Fault
`B2412`	Headlight Swivel Motor Left Circuit Fault
`B2779`	Engine Starter Communication Circuit Fault
`B2780`	Push Switch/Key Unlock Warning Switch Circuit Fault
`B2784`	Antenna Coil Open / Short
`B2785`	Ignition Switch ON Malfunction / 99
`B2786`	Ignition Switch OFF Malfunction / 99
`B2789`	No Response From ID BOX
`B278A`	Short to Ground in Immobilizer System Power Source Circuit
`B278C`	Communication Lost with Power Source Control
`B2790`	Key Unlock Warning Switch ON Malfunction
`B2791`	Key Unlock Warning Switch Off Malfunction / 99
`B2793`	Transponder Chip Circuit Fault
`B2794`	Unmatched Encryption
`B2796`	No Communication in Immobiliser System
`B2797`	Communication Malfunction No.1 / 99
`B2798`	Communication Malfunction No.2 / 99
`B2799`	Immobiliser Fault; Engine Immobiliser System Malfunction
`B279A`	Theft Deterrent System Communication Line High Fixation
`B279C`	Theft Deterrent System Presence Detection

Other blocks

Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.

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