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Service bulletins for the 2004 Acura TSX

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
DLR MSG - RFP -2018-06-18. Service bulletin. ELECTRICAL SYSTEM. Dealer message - American Honda (AHM) is investigating certain 2004-2008 TLs & TSXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P2138 (Accelerator Pedal Position Sensor A/B Incorrect Voltage Correlation) stored and poor engine performance. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any further repair of any kind.
BTS1804022018-05-07. Service bulletin. ELECTRICAL SYSTEM. Tech line summary article - When adding keys or running the System Check with the Immobilizer Setup Tool in the i-HDS, are you seeing this message? "Immobilizer system is not normal". We?re aware of this issue and have it under investigation.
B04-0262017-05-15. Service bulletin. ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. "SERVICE BULLETIN - THE REAR WIRE HARNESS NEAR THE LEFT SIDE TRUNK HINGE IS NOT ADEQUATELY PROTECTED AND COULD BE DAMAGED WHEN THE TRUNK IS REPEATEDLY OPENED AND CLOSED. A DAMAGED WIRE HARNESS CAN CAUSE A BLOWN FUSE OR AN OPEN CIRCUIT, WITH EITHER RESULTING IN A LOSS OF THE BACKUP LIGHTS, THE LICENSE PLATE LIGHT, THE LEFT OR RIGHT TAILLIGHT, AND/OR THE TRUNK RELEASE BUTTON FUNCTION. DRIVING WITHOUT BACK-UP LIGHTS OR DRIVING AT NIGHT WITHOUT TAILLIGHTS CAN MAKE IT DIFFICULT FOR OTHER DRIVERS TO SEE THE VEHICLE, AND A CRASH COULD OCCUR."
SB-06-0502010-05-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ACURA: WARRANTY EXTENSION: VEHICLE WARRANTY MILEAGE. A FEDERAL COURT PROVIDED FINAL APPROVAL OF THE SETTLEMENT OF A CLASS ACTION LAWSUIT ALLEGING THAT THE ODOMETERS ON CERTAIN MODELS WERE OVERSTATING MILEAGE. VEHICLES AFFECTED BY THIS SETTLEMENT INCLUDE CERTAIN 2002-2006. ON AFFECTED VEHICLES, THE SETTLEMENT REQUIRES YOU TO HONOR A 5 PERCENT INCREASE IN THE MILEAGE COVERAGE PERIOD FOR ALL WARRANTIES. NO MODELS WERE LISTED. *PE
11052005-12-21. Service bulletin. ELECTRICAL SYSTEM. ACCESSORY POWER SOCKET INOPERATIVE. *TT
0120120032005-04-30. Service bulletin. ELECTRICAL SYSTEM. BLOWER MOTOR SLOWS USING NAVIGATION CONTROL. *SC
0120120032005-04-30. Service bulletin. ELECTRICAL SYSTEM. ON-BOARD SNAPSHOP DATA IS CAPTURED WITH MIL (MALFUNCTION INDICATOR LAMP) ON. *SC
12032005-04-29. Service bulletin. ELECTRICAL SYSTEM. SUPPLEMENTAL RESTRAINT SYSTEM DIAGNOSTIC TROUBLE CODE 11-1X TO 11-9X, 11-AX AND 11-BX. *NM
12032005-04-29. Service bulletin. ELECTRICAL SYSTEM. RADIO OR UPPER DISPLAY IS INOPERATIVE. *NM
6042005-04-28. Service bulletin. ELECTRICAL SYSTEM. LEFT TURN SIGNALS FLASH WITH CELL PHONE CONNECTED TO 12 VOLT SOCKET. *NM
040262005-01-12. Service bulletin. ELECTRICAL SYSTEM:WIRING. SAFETY RECALL: TSX REAR WIRE HARNESS. SUPERSEDES PRELIMINARY SERVICE BULLETIN 04-026, DATED SEPTEMBER 3, 2004. *TT
090220042004-11-24. Service bulletin. ELECTRICAL SYSTEM:WIRING. REPAIR KITS FOR REAR WIRE HARNESS RECALL. *TT
010120042004-09-09. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT SRS DIAGNOSTIC TROUBLE CODE 11-1X TO 11-9X, 11-AX, AND 11-BX. ACURA. SERVICENEWS. *TT
010120042004-09-09. Service bulletin. ELECTRICAL SYSTEM. ALWAYS UPDATE SOFTWARE IN REPLACEMENT ENGINE CONTROL MODULES/POWERTRAIN CONTROL MODULES. ACURA. SERVICENEWS. *TT

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