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Service bulletin ENG REQ - AER131

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 id10129319
Published by NHTSA2018-02-26
Manufacturer's numberENG REQ - AER131
Manufacturer's date2014-05-29
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Engineering request for investigation - American Honda (AHM) is investigating certain 2012-2014 Ridgelines with a complaint of MIL on with the DTC P2101 (Throttle Control System Malfunction) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a 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

P2101

Vehicles listed
HONDA RIDGELINE2012, 2013, 2014

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
A21120A2023-06-21. Service bulletin. Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver Capacity resulting in rollover of the internal chip memory; the rollover occurred on January 1, 2022, at 12:00AM local time.
A21120A2022-02-04. 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, once specific triggers are met, the navigation date and time will be incorrect.
DLR MSG - RFV -2018-06-18. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2012-2014 Ridgelines with a complaint of MIL on with the DTC P2101 (Throttle Control System Malfunction) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
DLR MSG - RFV -2018-02-26. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2012-2014 Ridgelines with a complaint of MIL on with the DTC P2101 (Throttle Control System Malfunction) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
Service Bulletin2017-07-17. Service bulletin. Service bulletin - The MIL comes on with DTC P2101 (electronic throttle control system malfunction) stored. The vehicle may enter failsafe mode and experience a lack of power or poor acceleration. The problem is intermittent, and cycling the ignition will usually restore the vehicle to its normal function. However, the MIL will remain on and DTC P2101 will be stored. The PGM-FI misinterprets the electronic throttle control system and sets DTC P2101.
15-0282015-09-08. Service bulletin. PGM-FI SOFTWARE UPDATE DUE TO MISINTERPRETATION OF THE ELECTRONIC THROTTLE CONTROL SYSTEM *CN
SB-05-162013-06-22. Service bulletin. HONDA: CERTAIN VEHICLES ARE EXPERIENCING ISSUES WITH MALFUNCTION OF ELECTRONIC THROTTLE CONTROL SYSTEM AND CHECK ENGINE LIGHT COMING ON (DTC P2101). MODELS 2012-2013 RIDGELINE. *PE
SB-12-0022012-03-06. Service bulletin. HONDA: ON SOME MODEL VEHICLES, THERE IS AN ALTERNATOR/STARTER TESTER (AST) MODULE CAPABLE OF TESTING ALTERNATORS, INSTALLED ON GR8 DIAGNOSTIC BATTERY STATION. *PE