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Service bulletin 121603

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10005360
Published by NHTSA2004-02-24
Manufacturer's number121603
Manufacturer's date2003-12-16
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

LETTER TO ACURA SERVICE MANAGER REGARDING AN EMISSIONS RECALL CAMPAIGN. THE PCM DOES NOT PERFORM AN EVAP CONTROL SYSTEM TEST WHEN MALFUNCTION IS DETECTED IN THE FUEL LEVEL SENSOR CIRCUIT. BECAUSE OF THIS, THE VEHICLE DOES NOT MEET STATE AND FEDERAL EMISSIONS REGULATIONS. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
ACURA MDX2003, 2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
060032007-08-15. Service bulletin. TORQUE CONVERTER SHUDDER OR VIBRATION BETWEEN 35 AND 40 MPH. *KB
060042006-07-27. Service bulletin. UPDATE PCM WITH TRANSMISSION REPLACEMENT. *TT UPDATED 11/4/11. *PE
011620052005-05-10. Service bulletin. P1706 A/T SWITCH SHORT OR OPEN. *EH
100120042005-04-27. Service bulletin. A/T SOLENOID REPLACEMENT CRITERIA. *NM
9042005-04-26. Service bulletin. AUTOMATIC TRANSMISSION SOLENOID REPLACEMENT CRITERIA. ACURA TECH LINE SUMMARY FOR DEALER DISTRIBUTION. *TT
040120042004-09-08. Service bulletin. DON'T TEST-DRIVE WITH THE MALFUNCTION INDICATOR LAMP OR D INDICATOR ON. ACURA. SERVICENEWS. APRIL 2004. *TT
040120042004-09-08. Service bulletin. REPAIRING ATF LEAKS UNDER WARRANTY. ACURA. SERVICENEWS. APRIL 2004. *TT
12022003-09-06. Service bulletin. STRAINING THE AUTOMATIC TRANSMISSION FLUID TO DIAGNOSE AUTOMATIC TRANSMISSIONS. *TT