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Service bulletins for the 2006 Subaru Legacy

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

217 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
SPB-WVU-312011-06-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBARU SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ECM REPROGRAMMING PROCEDURE. 2006-2010 LEGACY/OUTBACK/FORESTER/IMPREZA. *RM UPDATED 9/26/11. *PE
WVM-232011-06-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:SOFTWARE. SUBARU SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A SOFTWARE PROBLEM IS CAUSING THE CATALYTIC CONVERTER TO DEGRADE WHEN DRIVING AT HIGH SPEEDS. THIS WILL CAUSE THE ENGINE LIGHT TO COME ON. *RM
SB-05-50-10R2011-06-08. Service bulletin. TIRES. SUBARU: THERE IS A STEERING WHEEL VIBRATION AT HIGHWAY SPEEDS DUE TO AN IMPORPER WHEEL BALANCE. *RM
SB-WVM-232010-04-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. SUBARU SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE CONTROL MODULE (ECM) REPROGRAMMING. UNDER CERTAIN SEVERE DRIVING PATTERNS, SUCH AS HIGH SPEED HIGHWAY/UPHILL DRIVING AND/OR ACCELERATING WITH HIGH ENGINE REVOLUTIONS, THE EFFICIENCY OF AN AFFECTED VEHICLE'S CATALYTIC CONVERTER MAY BEGIN TO DEGRADE BEYOND DESIGN PARAMETERS. CSC LETTER WAS RECEIVED. *PE
03-58-082008-12-09. Service bulletin. WHEELS; SUSPENSION:FRONT:WHEEL BEARING. SUBARU SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE IS A SLIGHT POSSIBILITY THAT ONE OR BOTH OF THE VEHICLE'S REAR WHEEL BEARINGS MAY, OVER TIME, DEVELOP A NOISE CONDITION THAT CAUSES THE BEARING TO PRODUCE A WHINNYING SOUND. CSC LETTER WAS RECEIVED. *PE
122007-05-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RADIATOR COOLING FAN RELAY #2. *KB
1181062006-12-29. Service bulletin. UNKNOWN OR OTHER. DIAGNOSTIC TROUBLE CODES (DTC) P0600, B0221 AND /OR B0223. *KB
1668062006-11-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLES EQUIPPED WITH 4 EAT DIAGNOSTIC PROCEDURES FOR P0851/P0852. *KB
0943062006-09-12. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. MODIFICATION OF MAIN COOLING FAN RELAY. *TT
092006-07-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. ENGINE COOLING SYSTEM FLUSH AND REFILL. *TT
1711062006-07-14. Service bulletin. SEAT BELTS. REAR CENTER SEAT BELT INSTALLATION PROCEDURES. *TT
050120062006-06-02. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. FRONT LOWER CONTROL ARM BUSHINGS. *TT
072006-03-09. Service bulletin. ELECTRICAL SYSTEM. COMBINATION METER SELF DIAGNOSIS. *TT
9152005-12-12. Service bulletin. UNKNOWN OR OTHER. 2006 NEW MODEL UPDATE SUPPLEMENT. *TT
110120052005-12-09. Service bulletin. ELECTRICAL SYSTEM. IMPACT SENSOR INSTALLATION. TECHTIPS. SUBARU. *TT
110120052005-12-09. Service bulletin. ELECTRICAL SYSTEM. TECHTIPS ON P0171. SUBARU. *TT
0836052005-11-22. Service bulletin. ELECTRICAL SYSTEM. ERROR CODE ER SP DISPLAY IN THE ODOMETER/TRIP METER. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.