DTC  | Diagnostic Procedure  | Module  | 
|---|---|---|
U1000 and U1255  | HVAC control module, QS4, SCM, ATC, EBCM, PCM, TCSCM, VIU, BCM, IPC, DIC, MMM, MSM, SDM  | |
U1001 through U1254  | HVAC control module, QS4, SCM, ATC, EBCM, PCM, TCSCM, VIU, BCM, IPC, DIC, MMM, MSM, SDM  | |
U1300  | HVAC control module, QS4, SCM, ATC, EBCM, PCM, TCSCM, VIU, BCM, IPC, DIC, MMM, MSM, SDM  | |
U1301  | HVAC control module, QS4, SCM, ATC, EBCM, PCM, TCSCM, VIU, BCM, IPC, DIC, MMM, MSM, SDM  |