GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

Illuminate MIL

U1016

DTC U1016 Loss of Communications with PCM

class 2

NO

U1040

DTC U1040 Loss of Class 2 Communications with ABS

class 2

NO

U1056

DTC U1056 Loss of Communications with RSS

class 2

NO

U1064

DTC U1064 Loss of Communications with DIM

class 2

NO

U1065

DTC U1065 Loss of Communications with IPM

class 2

NO

U1066

DTC U1066 Loss of Communications with RIM

class 2

NO

U1088

DTC U1088 Loss of Communications with SDM

class 2

NO

U1096

DTC U1096 Loss of Communications with IPC

class 2

NO

U1128

DTC U1128 Loss of Communications with IRC

class 2

NO

U1129

DTC U1129 Loss of Communications with AMP

class 2

NO

U1144

DTC U1144 Loss of Communications with PHN

class 2

NO

U1160

DTC U1160 Loss of Communications with DDM

class 2

NO

U1161

DTC U1161 Loss of PASS Door Module SBI

SBI

NO

U1162

DTC U1162 Loss of Rear Driver Door Module SBI

SBI

NO

U1163

DTC U1163 Loss of Rear PASS Door Module SBI

SBI

NO

U1166

DTC U1166 Loss of Communications with SCM

class 2

NO

U1170

DTC U1170 Loss of Driver Door Switch SBI

SBI

NO

U1192

DTC U1192 Loss of Communications with VTD

class 2

NO

U1255

DTC U1255 Class 2 Initialization Error

class 2

NO

U1300

DTC U1300 Class 2 Short to Ground

class 2

NO

U1301

DTC U1301 Class 2 Short to Battery

class 2

NO