MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Lighting

Interior Lighting

417-02 Interior Lighting

2016 MustangReference 5,820 / 6,619HTML edition
← Chapter contentsProcedure contents

DTC

Description

Action

U3000:49

Control Module: Internal Electronic Failure

The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the Body Control Module B (BCMB) can withstand. The cause of the excessive current draw MUST be corrected before a new Body Control Module B (BCMB) is installed. ADDRESS all other Diagnostic Trouble Codes (DTCs) first. After the cause of the concern is corrected, INSTALL a new Body Control Module B (BCMB). REFER to: Body Control Module B (BCMB) (419-10 Multifunction Electronic Modules, Removal and Installation).

All other Body Control Module B (BCMB) Diagnostic Trouble Codes (DTCs)

-

REFER to: Body Control Module B (BCMB) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).

Symptom Chart(s)

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Symptom Chart: Interior Lighting

Symptom Chart

Condition

Possible Sources

Actions

A module does not respond to the scan tool

Fuse Wiring, terminals or connectors Module

REFER to: Communications Network (418-00 Module Communications Network) .

The courtesy lamps do not illuminate with a door open

Refer to the Pinpoint Test

GO to Pinpoint Test A

One or both interior overhead courtesy lamps are inoperative or the interior courtesy lamps stay on continuously

Refer to the Pinpoint Test

If one or both map lamps are also inoperative, GO to Pinpoint Test E If the map lamps operate correctly, GO to Pinpoint Test B

One or both pony projection lamps are inoperative or always on

Refer to the Pinpoint Test

GO to Pinpoint Test C

All the courtesy lamps stay on continuously

Refer to the Pinpoint Test

GO to Pinpoint Test D

One or more demand lamps are inoperative

Refer to the Pinpoint Test

GO to Pinpoint Test E

The luggage compartment lamp is inoperative or on continuously

Refer to the Pinpoint Test

GO to Pinpoint Test F

The battery saver does not deactivate after time-out

Refer to the Pinpoint Test

GO to Pinpoint Test G

The ambient lighting is inoperative

Refer to the Pinpoint Test

GO to Pinpoint Test H

The ambient lighting does not cycle through all color combinations

Refer to the Pinpoint Test

GO to Pinpoint Test I

Source reference 5820

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.