Manufacturer-Specific Diagnostic Codes List

BMW U2101 indicates invalid data sent by module on MOST bus for BMW vehicles.

BMW U2102 indicates module communication timeout on MOST bus for BMW vehicles.

Toyota P0A80 indicates hybrid battery capacity degradation detected in Toyota hybrid vehicles.

Toyota P0A81 indicates hybrid battery cell imbalance in Toyota hybrid vehicles.

Toyota P0A82 indicates hybrid battery coolant system malfunction in Toyota hybrid vehicles.

Toyota C1234 indicates ABS front left wheel speed sensor fault in Toyota vehicles.

Toyota C1235 indicates ABS front right wheel speed sensor fault in Toyota vehicles.

Toyota C1236 indicates ABS rear left wheel speed sensor fault in Toyota vehicles.

Toyota C1237 indicates ABS rear right wheel sensor fault in Toyota vehicles.