B1D72

B1D72-SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH

B1D72-Seat Front Vertical Position Sensor Circuit High:

WHEN MONITORED
When the seat motor is activated (sensor supply voltage is switched on whenever motor is activated).

SET CONDITION
If during motor operation the sensor voltage is not within a specified range this code will set. This DTC will only set when the seat switch is moved in the same direction three consecutive times.

POSSIBLE CAUSES
- (G404) driver seat front vertical position sense circuit shorted to voltage
- Rear driver vertical seat adjuster motor
- Memory seat module

DIAGNOSTIC TEST

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC's
Move the seat switch front vertical position 3 times.
With the scan tool, read DTC's.

Q: Does the scan tool display B1D72-SEAT FRONT VERTICAL POSITION SENSOR CIRCUIT HIGH?

YES: Go To 2
NO: The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1. Power Seat System Verification Test

2. CHECK THE (G404) DRIVER SEAT FRONT VERTICAL POSITION SENSE VOLTAGE
Disconnect the Front Driver Vertical Seat Adjuster Motor.

NOTE: Check connectors - Clean and repair as necessary.

With the scan tool erase DTC's
Move the seat switch in the both front vertical positions 3 times.
With the scan tool, read DTC's.

Q: Does the same DTC reset?

NO: Inspect the position sense wire for a possible intermittent short to another circuit, if OK replace the Front Driver Vertical Seat Adjuster Motor assembly. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1. Power Seat System Verification Test
YES: Inspect the position sense wire for a possible short to another circuit, if OK replace the Memory Seat Module. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1. Power Seat System Verification Test