DTC P0BB4 Chevrolet
Keyless KOS key ID not registered
Keyless KOS key ID not registered
Description
If no keyless operation key ID is registered with KOS-ECU or if the keyless operation key with ID not registered is used, KOS-ECU sets the DTC B2401. If the number of the registered keyless operation keys is 0, or the registration of a keyless operation key fails when the number of the registered keyless operation keys is 0, it is judged as abnormal
Cause and Solution
Malfunction of CAN bus line The registration of a keyless operation key ID fails when no keyless operation key ID is registered. Malfunction of the keyless operation key Malfunction of KOS-ECU
Video Guide
Diagnostic Info
- DTC Code: P0BB4
- Brand: Chevrolet