Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 329 of 855 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. B2248 – 11: Right Rear Fog Lamp Circuit – Short to Ground Overview: ISO Code B2248 - 11 Customer Symptom 1. Right Rear Fog Lamps always OFF. 2. Facia Switch illumination for rear fog lamp always OFF Fault Effects (On Vehicle) 1. Right Rear Fog Lamps always OFF. 2. Facia Switch illumination for rear fog lamp always OFF Lamp Status (If Any) Always OFF Fault Detection Condition This fault gets logged by BCM when right rear fog lamp output is short to ground Normal Operating Condition If the IGN is ON and headlamps / position lamps are ON and front fog lamps are ON then rear fog lamps shall turn ON immediately after pressing the rear fog lamp switch. Probable Trouble Area 1. BCM connector Fault 2. Right rear fog lamp output wire Short to ground from rear wiring harness 3. Lamp damaged 4. Right rear fog lamp mating connector fault 5. BCM ECU fault Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Right rear fog lamps are located at right rear side of vehicle. If the IGN is ON and headlamps / position lamps are ON and front fog lamps are ON and user presses the rear fog lamp switch then rear fog lamps will turn ON. Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage. Trouble Shooting:-
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