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Service bulletin 704

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 id10013729
Published by NHTSA2005-04-26
Manufacturer's number704
Manufacturer's date2004-07-16
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

ENGINE OIL LEAK AT THE HEAD COVER, R/SIDE COVER, OIL PAN, OIL PUMP, CHAIN CASE COVER, OIL FILTER, SPOOL VALVE, OIL PRESSURE SWITCH, CAM SEALS, OR ENGINE BLOCK. DEALER VISIT REQUEST. ACURA TECH LINE SUMMARY. *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

Engine

Vehicles listed
ACURA MDX2004
ACURA TL2004

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
DOR-M3J3F-072020-07-27. Service bulletin. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
DLR MSG - RFP -2018-03-12. Service bulletin. 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.
IN-27-142014-04-11. Service bulletin. ACURA: THE MALFUNCTION INDICATOR LAMP (MIL) IS ON, WITH DTC P2138 (ACCELERATOR PEDAL POSITION SENSOR A/B INCORRECT VOLTAGE CORRELATION), AND HAVE POOR PERFORMANCE IN ENGINE. MODEL 2004-2008 TL, TSX. *PE
IN-2-11-142014-02-28. Service bulletin. HONDA: SOME VEHICLES MAY DISPLAY A MALFUNCTION INDICATOR LAMP WITH THE STORED DTC P2138 (ACCELERATOR PEDAL POSITION SENSOR A/B INCORRECT VOLTAGE CORRELATION). THERE MAY ALSO BE POOR ENGINE PERFORMANCE. AHM IS ATTEMPTING TO COLLECT SPECIFIC PARTS FROM THE VEHICLE BEFORE ANY FURTHER EFFORT TOWARD REPAIRS. *JS
IN-09-102014-01-29. Service bulletin. ACURA: DUE TO ACCELERATOR PEDAL POSITION SENSOR A/B INCORRECT VOLTAGE CORRELATION, ENGINE POOR PERFORMANCE AND MALFUNCTION INDICATOR LAMP (MIL) IS ON WITH DIAGNOSTIC TROUBLE CODE (DTC) 02138, AN INVESTIGATION WILL CHECK CAUSE OF CONDITION. MODEL 2004-2008 TX, TSX. *PE
SB-06-0132011-11-05. Service bulletin. ACURA: VEHICLE EXPERIENCING HARD STARTING AND/OR A LONG CRANK TIME. *PE
SB-11-0072011-08-31. Service bulletin. HONDA ACURA: THERE IS A KNOCKING OR VIBRATION FROM UNDER THE FRONT OF THE VEHICLE WHILE DRIVING DUE TO HIGH TEMPERATURES THAT CAUSED THE FRONT ENGINE MOUNT TO CRACK. *RM
10062007-03-19. Service bulletin. TROUBLE SHOOTING B-CAN AND F-CAN DTC'S. *KB
060282006-10-26. Service bulletin. MIL COMES ON WITH DTC AND THE ENGINE RUNS ROUGHLY OR STALLS. *KB UPDATED 08-15-07. *KB
090120052005-12-14. Service bulletin. TAKING THE MYSTERY OUT OF THE MAINTENANCE MINDER SYSTEM. SERVICENEWS. *TT