Manufacturer-Specific Diagnostic Codes List

GM U1200 indicates sensor data lost or corrupted on GM Class 2 network.

GM U1201 indicates ECM sending invalid data to BCM in GM vehicles.

GM U1202 indicates sensor or module timeout on GM Class 2 network.

GM U1210 indicates module checksum error on GM Class 2 network.

BMW P2000 indicates DSC detects abnormal wheel speed sensor input on BMW vehicles.

BMW P2001 indicates DSC detects wheel sensor signal drop affecting stability control.

BMW P2002 indicates DSC detects inconsistent wheel rotation data on BMW vehicles.

BMW P2100 indicates throttle actuator control module error specific to BMW vehicles.

BMW P2101 indicates slow throttle actuator response detected by BMW control module.