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Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 311 of 737
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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.
B2217 – 11: Hazard Switch – Short to Ground
Overview:
ISO Code
B2217 - 11
Customer Symptom
1. Hazard lamps always ON.
2. Facia Switch illumination for hazard lamp always ON
Fault Effects (On Vehicle)
1. Hazard lamps always ON.
2. Facia Switch illumination for hazard lamp always ON
3. Battery Drain
Lamp Status (If Any)
Always ON
Fault Detection Condition
This fault will be logged after the input switch test routine
execution. User has to operate the switch manually during
routine. If short to ground fault is detected for hazard switch
then this DTC code will be returned with the Routine results.
Normal Operating Condition
There should not be any fault returned by routine
Probable Trouble Area
1. BCM connector Fault
2. Hazards switch input wire Short to ground from
cockpit wiring harness.
3. Switch damaged or stuck
4. Facia Switch connector fault.
5. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Hazard switch is part of facia switch bank. When the hazard switch is pressed, hazard lamps shall flash with
predefined frequency
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-