2010 Cadillac CTS Sedan AWD V6-3.6L Page 427
DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC B1735 01
- Seat Front Up Switch Circuit Short to Battery
DTC B1740 01
- Seat Front Down Switch Circuit Short to Battery
DTC B1745 01
- Seat Rear Up Switch Circuit Short to Battery
DTC B1750 01
- Seat Rear Down Switch Circuit Short to Battery
DTC B1755 01
- Seat Assembly Forward Switch Circuit Short to Battery
DTC B1760 01
- Seat Assembly Rearward Switch Circuit Short to Battery
DTC B1815 01
- Seat Recline Forward Switch Circuit Short to Battery
DTC B1820 01
- Seat Recline Rearward Switch Circuit Short to Battery
Diagnostic Fault Information
Circuit/System Description
When the power seat switches are pressed, they send a 12 V signal through the switch signal circuits to the memory seat module (MSM). The MSM
then commands the driver seat and lumbar motors to move in response to the switch signals.
Conditions for Running the DTC
