Seat Heating and Cooling

DTC B1395

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B1395 02
- Analog Reference Voltage Below Threshold

DTC B1395 05
- Analog Reference Voltage Above Threshold

Description

This diagnostic applies to internal microprocessor integrity conditions within the heated seat module (HSM).

Conditions for Running the DTC

The heated seat module must be powered.

Conditions for Setting the DTC

The voltage sensing calibration data is out of range.

Action Taken When the DTC Sets

The heated seat function for both front seats will be disabled.

Conditions for Clearing the DTC

* The current DTC clears when the malfunction is no longer present and the power mode changes to OFF then back to RUN or ACC.
* The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.

Circuit/System Testing

If either DTC is set history or current, the only option is module replacement.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests