Standard U Codes

U1009, U1027, and U1059 - Anti-Lock Brake Control Module.

Carry out the PCM Self-Test.

U1009 - SCP Invalid or Missing Data for Engine Torque

U1027 - SCP Invalid or Missing Data for Engine RPM

U1059 - SCP Invalid or Missing Data for Transmission/Transaxle/PRNDL

Antilock Brakes / Traction Control Systems. Antilock Brakes / Traction Control Systems

A L L Diagnostic Trouble Codes ( DTC ). Testing and Inspection

U1341 And U1073 Electronic Automatic Temperature Control (EATC) Module.

Heating and Air Conditioning. Testing and Inspection

U1147 Passive Antitheft System (PATS) Module.

Antitheft and Alarm Systems. Testing and Inspection

U1262 This is an information code only (no testing given).

Passive Antitheft System (PATS) Module - Missing SCP Message/Diagnose the Module Communications Network

Information Bus. Information Bus

U2003 Radio, Stereo, and Compact Disc. Testing and Inspection

The following codes can be found under A L L Diagnostic Trouble Codes ( DTC ). Testing and Inspection

U1020, U1021, U1039, U1051, U1073, U1135, U1451, U1850, UXXXX