FixVault

Rear Audio and Temperature Control (RATC) Module

REAR AUDIO AND TEMPERATURE CONTROL (RATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B113D Rear Climate Control Switch Stuck INSTALL a new rear climate control switch. TEST the system for normal operation.
B113E Rear Climate Control Switch Circuit Short to Ground Go to Pinpoint Test I .
B113F Rear Climate Control Switch Circuit Short to Battery Go to Pinpoint Test J .
U1178 SCP (J1850) Invalid or Missing Data for Climate Control (HVAC) REFER to MODULE COMMUNICATIONS NETWORK article to diagnose a network concern.