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Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 628 of 855
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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.
B1F07 - 11: Illumination Dimming Level PWM Output - circuit short to ground
:
ISO Code (DTC Code)
B1F07 - 11
Customer Symptom
Cockpit illumination permanently off
Fault Effects (On Vehicle)
Cannot change the cockpit illumination level settings.
Lamp Status (If Any)
This fault gets logged by BCM when Illumination
Dimming Level PWM Output - circuit short to ground
Fault Detection Condition
This fault will be logged with IGN ON and cockpit
illumination output is short to ground.
Normal Operating Condition
This fault will be logged with IGN ON and position lamp
is ON.
Probable Trouble Area
BCM connector Fault.
Cockpit illumination output is Short to Ground.
ECU fault.
Cockpit LED/ Bulb is faulty/ blow off.
Healing Condition
Run the input switch test routine and read the DTC. The
DTC B1F07-11 shall not be logged.
Component Details:
BCM changes the cockpit illumination level setting through PWM output and output is STG for DTC B1F07 -
11.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-