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Service bulletin DLR MSG - RFP -

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 id10141148
Published by NHTSA2018-06-18
Manufacturer's numberDLR MSG - RFP -
Manufacturer's date2014-01-29
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P2138

Vehicles listed
ACURA TL2004, 2005, 2006, 2007, 2008
ACURA TSX2004, 2005, 2006, 2007, 2008

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

Recalls for the same vehicles and component
13V0930002013-03-15. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING
20130822013-03-14. Electrical
05V1320002005-04-05. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
20050862005-03-30. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B23040A2023-05-31. Service bulletin. Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver capacity resulting in rollover of internal chip memory. The rollover occurred on January 1, 2022 at 12:00AM local time
B21120A2022-02-04. Service bulletin. ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a result, the navigation date and time will be incorrect.
SB-08-0572021-07-06. Service bulletin. HandsFreeLink (HFL) Doesn?t Work, or Battery Is Too Low to Start the Engine: The HandsFreeLink (HFL) system doesn?t work, and/or the battery sometimes won?t start the vehicle.
B-08-0572021-04-30. Service bulletin. SYMPTOM The HandsFreeLink (HFL) system doesn’t work, and/or the battery sometimes won’t start the vehicle. PROBABLE CAUSE The HFL control unit has an internal problem, which creates a parasitic current draw of 250 mA CORRECTIVE ACTION Do the REPAIR PROCEDURE, which includes a diagnosis, and if necessary, replace the HFL control unit.
B18100D2018-10-29. Service bulletin. Servicenews article - Is the MIL on with DTC P2271 (secondary HO2S [sensor 2] circuit signal stuck rich)? What's likely causing this is the PCM is misinterpreting the A/F sensor (sensor 1) signals, causing the PCM to think that sensor 2 is stuck rich.
BTS1806032018-07-02. Service bulletin. Tech line summary article - Is the MIL on with DTC P2271 (secondary HO2S [sensor 2] circuit signal stuck rich)? What's likely causing this is the PCM is misinterpreting the A/F sensor (sensor 1) signals, causing the PCM to think that sensor 2 is stuck rich. To fix this issue, replace both sensors.
BTS1804022018-05-07. Service bulletin. 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.
B08-0572017-05-17. Service bulletin. SERVICE BULLETIN - HANDSFREELINK (HFL) DOESN’T WORK, OR BATTERY IS TOO LOW TO START THE ENGINE
B04-0262017-05-15. Service bulletin. "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."
B-PAS-04292016-92016-11-16. Service bulletin. AHM IS INVESTIGATING CUSTOMER COMPLAINT OF THE HANDSFREELINK NOT WORKING OR THE BATTERY BEING TOO LOW TO START THE ENGINE. PLEASE SEND SPECIFIC PARTS TO AHM PRIOR TO ATTEMPING ANY REPAIRS.