GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code (DTC) List/Type AL2

DTC

Description

Type

Illuminate MIL

B1007

DTC B1007 EEPROM Write Error

MSM

No

B1009

DTC B1009 EEPROM Checksum Error

MSM

No

B1327

DTC B1327 Battery/Source Voltage Low

MSM

No

B1328

DTC B1328 Battery/Source Voltage High

MSM

No

B1735

DTC B1735 Driver Seat Front Up Switch CKT Malf

MSM

No

B1740

DTC B1740 Driver Seat Front Down Switch CKT Malf

MSM

No

B1745

DTC B1745 Driver Seat Rear Up Switch CKT Malf

MSM

No

B1750

DTC B1750 Driver Seat Rear Down Switch CKT Malf

MSM

No

B1755

DTC B1755 Driver Seat Asm Forward Switch CKT Malf

MSM

No

B1760

DTC B1760 Driver Seat Asm Rearward Switch CKT Malf

MSM

No

B1815

DTC B1815 Driver Recline Forward Switch CKT Malf

MSM

No

B1820

DTC B1820 Driver Recline Rearward Switch CKT Malf

MSM

No

B1825

DTC B1825 Driver Recline Sensor CKT Malfunction

MSM

No

B1830

DTC B1830 Driver Lumbar Forward Switch CKT Malf

MSM

No

B1835

DTC B1835 Driver Lumbar Rearward Switch CKT Malf

MSM

No

B1840

DTC B1840 Driver Lumbar Up Switch CKT Malf

MSM

No

B1845

DTC B1845 Driver Lumbar Down Switch CKT Malf

MSM

No

B1850

DTC B1850 Driver Lumbar Horiz Sensor CKT Malf

MSM

No

B1860

DTC B1860 Driver Lumbar Vert Sensor CKT Malf

MSM

No

B1870

DTC B1870 Driver Belt Tower Up Switch CKT Malf

MSM

No

B1875

DTC B1875 Driver Belt Tower Down Sw CKT Malf

MSM

No

B1900

DTC B1900 Driver Belt Tower Vert Sen CKT Malf

MSM

No

B2355

DTC B2355 Driver Front Vertical Sensor Malf

MSM

No

B2365

DTC B2365 Driver Rear Vertical Sensor Malf

MSM

No

B2375

DTC B2375 Driver Seat Asm Horiz Sensor CKT Malf

MSM

No

U1016

DTC U1016 Loss of Communications with PCM in Data Link Communications

MSM

No

U1064

DTC U1064 Loss of Communications with DIM in Data Link Communications

MSM

No

U1255

DTC U1255 Class 2 Initialization Error in Data Link Communications

MSM

No

U1300

DTC U1300 Class 2 Short to Ground in Data Link Communications

MSM

No

Diagnostic Trouble Code (DTC) List/Type AC9

DTC

Description

Type

Illuminate MIL

B1007

DTC B1007 EEPROM Write Error

MSM

No

B1009

DTC B1009 EEPROM Checksum Error

MSM

No

B1327

DTC B1327 Battery/Source Voltage Low

MSM

No

B1328

DTC B1328 Battery/Source Voltage High

MSM

No

B1735

DTC B1735 Driver Seat Front Up Switch CKT Malf

MSM

No

B1740

DTC B1740 Driver Seat Front Down Switch CKT Malf

MSM

No

B1745

DTC B1745 Driver Seat Rear Up Switch CKT Malf

MSM

No

B1750

DTC B1750 Driver Seat Rear Down Switch CKT Malf

MSM

No

B1755

DTC B1755 Driver Seat Asm Forward Switch CKT Malf

MSM

No

B1760

DTC B1760 Driver Seat Asm Rearward Switch CKT Malf

MSM

No

B1815

DTC B1815 Driver Recline Forward Switch CKT Malf

MSM

No

B1820

DTC B1820 Driver Recline Rearward Switch CKT Malf

MSM

No

B1825

DTC B1825 Driver Recline Sensor CKT Malfunction

MSM

No

B1870

DTC B1870 Driver Belt Tower Up Switch CKT Malf

MSM

No

B1875

DTC B1875 Driver Belt Tower Down Sw CKT Malf

MSM

No

B1900

DTC B1900 Driver Belt Tower Vert Sen CKT Malf

MSM

No

B2355

DTC B2355 Driver Front Vertical Sensor Malf

MSM

No

B2365

DTC B2365 Driver Rear Vertical Sensor Malf

MSM

No

B2375

DTC B2375 Driver Seat Asm Horiz Sensor CKT Malf

MSM

No

U1016

DTC U1016 Loss of Communications with PCM in Data Link Communications

MSM

No

U1064

DTC U1064 Loss of Communications with DIM in Data Link Communications

MSM

No

U1255

DTC U1255 Class 2 Initialization Error in Data Link Communications

MSM

No

U1300

DTC U1300 Class 2 Short to Ground in Data Link Communications

MSM

No

Diagnostic Trouble Code (DTC) List/Type AM3

DTC

Description

Type

Illuminate MIL

B1007

DTC B1007 EEPROM Write Error

MSM

No

B1009

DTC B1009 EEPROM Checksum Error

MSM

No

B1327

DTC B1327 Battery/Source Voltage Low

MSM

No

B1328

DTC B1328 Battery/Source Voltage High

MSM

No

B1830

DTC B1830 Driver Lumbar Forward Switch CKT Malf

MSM

No

B1835

DTC B1835 Driver Lumbar Rearward Switch CKT Malf

MSM

No

B1840

DTC B1840 Driver Lumbar Up Switch CKT Malf

MSM

No

B1845

DTC B1845 Driver Lumbar Down Switch CKT Malf

MSM

No

B1850

DTC B1850 Driver Lumbar Horiz Sensor CKT Malf

MSM

No

B1860

DTC B1860 Driver Lumbar Vert Sensor CKT Malf

MSM

No

U1016

DTC U1016 Loss of Communications with PCM in Data Link Communications

MSM

No

U1064

DTC U1064 Loss of Communications with DIM in Data Link Communications

MSM

No

U1255

DTC U1255 Class 2 Initialization Error in Data Link Communications

MSM

No

U1300

DTC U1300 Class 2 Short to Ground in Data Link Communications

MSM

No