GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

Illuminate MIL

B2101

DTC B2101 Recline Aft Switch Failed

MSM

No

B2102

DTC B2102 Recline Forward Switch Failed

MSM

No

B2103

DTC B2103 Rear Vertical Down Switch Failed

MSM

No

B2104

DTC B2104 Rear Vertical Up Switch Failed

MSM

No

B2105

DTC B2105 Horizontal Aft Switch Failed

MSM

No

B2106

DTC B2106 Horizontal Forward Switch Failed

MSM

No

B2107

DTC B2107 Front Vertical Down Switch Failed

MSM

No

B2108

DTC B2108 Front Vertical Up Switch Failed

MSM

No

B2109

DTC B2109 Lumbar Aft Switch Failed

MSM

No

B2110

DTC B2110 Lumbar Forward Switch Failed

MSM

No

B2111

DTC B2111 Lumbar Down Switch Failed

MSM

No

B2112

DTC B2112 Lumbar Up Switch Failed

MSM

No

B2115

DTC B2115 Recline Sensor Failed

MSM

No

B2116

DTC B2116 Rear Vertical Sensor Failed

MSM

No

B2117

DTC B2117 Horizontal Sensor Failed

MSM

No

B2118

DTC B2118 Front Vertical Sensor Failed

MSM

No

B2119

DTC B2119 Lumbar Forward/Aft Sensor Failed

MSM

No

B2120

DTC B2120 Lumbar Up/Down Sensor Failed

MSM

No

B2240

DTC B2240 Driver Memory 1 Select Switch CKT Low

DDM

No

B2241

DTC B2241 Driver Memory 2 Select Switch CKT Low

DDM

No

B2242

DTC B2242 Driver Memory Exit Switch CKT Low

DDM

No