Accessories - Trailer LED Flickers When Towing

SI B 63 05 09
Lights

June 2010
Technical Service

This Service Information bulletin supersedes SI B63 05 09 dated June 2009.

[NEW] designates changes to this revision

SUBJECT
LED Trailer Lighting Flickering

MODEL
E70 (X5)
E71 (X6)
Vehicles produced up to March 30, 2009

SITUATION
When a trailer is being towed, the LED trailer lights flicker intermittently.

CAUSE
Trailer module (AHM3+)

[NEW] CORRECTION
The problem has been integrated into ISTA diagnostics. Follow the diagnosis test plan, using the latest ISTA version.

In "Information Search", select the "Text Search" tab and search for "W6300" as the search term. Select test plan "W6300_WAS23 LED trailer lighting flickers".

[NEW] WARRANTY INFORMATION
For information only