Q5/X451 FATC DTC Troubleshooting Data Version: 1.0 Date: 16-Oct-2018 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. Author: ERC Page: 122 of 202 B1F36-23:- Control Panel Request Button-Signal Stuck Low Overview:- ISO Code B1F36– 23 Customer Symptom Control Panel Request Button cannot be manually selected Fault Effects (On Vehicle) The Control Panel switch is stuck and Control panel is not turning off. Lamp Status (If Any) No Limphome Fault Detection Condition Control Panel Request Button -Signal Stuck Low Normal Operating Condition When the Control Panel button is pressed. CCM shall be switched off. Probable Trouble Area OFF switch component failure. Healing Condition Check and lubricate switch, replace control panel Component Details: OFF switch Button is shown in above image. The user shall be able to OFF the complete control panel when the OFF button is pressed. Preliminary Checks: Switch On the IGN & perform the following check. 1) Connect the Diagnostics tool & check the DTC fault code 2) If the fault code exists, refer the corrective actions
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