Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 323 of 855
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TATA MOTORS Ltd.
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B222D - 11: Low Beam Switch - Circuit Short to Ground
Overview:
ISO Code (DTC Code)
B222D - 11
Customer Symptom
Low beam always ON
Fault Effects (On Vehicle)
1. Low beam always ON
2. Battery Drain
Lamp Status (If Any)
Continuous 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 low beam 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. Low beam switch input short to ground from
Cockpit wiring harness
3. Low beam switch damaged or stuck
4. Combi switch connector fault.
5. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Low beam switch is part of combination stalk switch and interfaced to the BCM. If the IGN is on and
headlamps are ON and if the combi switch is at low beam position then low beams will turn ON.
Preliminary Checks:
1. Check Battery Voltage (12.5 V and above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-




