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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: 121 of 855
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TATA MOTORS Ltd.
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C0040 – 11: Brake Pedal Switch - Circuit short to Ground
Overview:
ISO Code (DTC Code)
C0040 - 11
Customer Symptom
Brake lamps always OFF
Fault Effects (On Vehicle)
Brake lamps always OFF
Lamp Status (If Any)
Always OFF
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 circuit fault is
detected for Brake Pedal selection 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. Cockpit harness Short to ground
3. Switch damaged or stuck
4. BCM ECU fault
5. Brake Pedal selection switch side connector
fault.
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Brake Pedal Switch is operate manually. If the IGN is KeyIN/ Accessory/Keyout/ON/Run and user
presses the Brake, Brake lamps will be turned ON.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-