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The reference voltage drops below 4.75 volts. B1395 05 The reference voltage exceeds 5.15 volts. Action Taken When the DTC Sets All memory recall functions will be disabled. Conditions for Clearing the DTC The current DTC will clear 3 seconds after the reference voltage returns to normal operating A history DTC will clear after 50 ignition cycles or with a scan tool using the clear DTCs Reference Information Schematic Reference Driver Seat Schematics Passenger Seat Schematics Adjustable Pedal Schematics Connector End View Reference Component Connector End Views Description and Operation Memory Seats Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Control Module References for Scan Tool Information Diagnostic Aids An internal short to ground in one of the position sensors may set this DTC. Circuit/System Testing Ignition ON, test for 4.75-5.15 volts between the 5-volt reference circuit and ground. If less than 4.75 volts, test the 5-volt reference circuit to all position sensors for a short to If greater than 5.15 volts, test the 5-volt reference circuit to all position sensors or a short to Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Front Seat Adjuster Replacement (Power) Front Seat Lumbar Support Replacement Front Seat Recliner Actuator Motor Replacement Brake Pedal Assembly Replacement Control Module References for MSM replacement, setup, and programming DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, OR B1820 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach Diagnostic Procedure Instructions provides an overview of each diagnostic category DTC Descriptors DTC B1735 01 Driver Seat Front Up Switch Circuit Short to Battery DTC B1740 01
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Driver Seat Front Down Switch Circuit Short to Battery DTC B1745 01 Driver Seat Rear Up Switch Circuit Short to Battery DTC B1750 01 Driver Seat Rear Down Switch Circuit Short to Battery DTC B1755 01 Driver Seat Assembly Horizontal Forward Switch Circuit Short to Battery DTC B1760 01 Driver Seat Assembly Horizontal Rearward Switch Circuit Short to Battery DTC B1815 01 Driver Seat Recline Forward Switch Circuit Short to Battery DTC B1820 01 Driver Seat Recline Rearward Switch Circuit Short to Battery Circuit Description When the power seat switches are pressed, they send a 12-volt signal through the switch signal Conditions for Running the DTC The memory seat module must be powered. Conditions for Setting the DTC If a seat switch circuit is active in one direction and the switch for the opposite direction is Multiple DTCs will set if one of the switch signal circuits is shorted to voltage. Action Taken When the DTC Sets
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
A motor output driven in response to a switch considered failed, is deactivated for both All memory recall commands are ignored. The MSM will respond to any other switch signal that has not set a DTC. Conditions for Clearing the DTC The current DTC will clear and set the code to history, 3 seconds after the fault is no longer A history DTC will clear after 50 ignition cycles or with a scan tool using the clear DTCs Reference Information Schematic Reference Driver Seat Schematics Connector End View Reference Component Connector End Views Description and Operation Memory Seats Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References for Scan Tool Information Circuit/System Verification Ignition ON, observe the scan tool seat switch parameters while pressing the appropriate seat
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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