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P2610 on the 2015 Toyota Highlander

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P2610
T-SB-0276-172018-12-17. Service bulletin. TSB: Some 2014 ? 2016 model year Highlander HV, 2015 Tacoma, 2015 ? 2016 Venza, 2015 ? 2017 4Runner, Avalon, Camry, and 2016 ? 2017 Avalon HV and Camry HV vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2610 (ECM/PCM Engine Off Timer Performance) present. The Engine Control Module (ECM) SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure below to address this condition.
T-SB-0074-162018-04-23. Service bulletin. TSB: Some 2014 ? 2015 model year Highlander vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2610 (ECM/PCM Engine Off Timer Performance) present. The Engine Control Module (ECM) logic has been modified to reduce the possibility of this condition. Please follow the Repair Procedure below to address this condition.
T-SB-0074-162017-01-04. Service bulletin. TSB: SOME 2014 – 2015 MODEL YEAR HIGHLANDER VEHICLES MAY EXHIBIT A MIL “ON” CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P2610 (ECM/PCM ENGINE OFF TIMER PERFORMANCE) PRESENT. THE ENGINE CONTROL MODULE (ECM) LOGIC HAS BEEN MODIFIED TO REDUCE THE POSSIBILITY OF THIS CONDITION. PLEASE FOLLOW THE REPAIR PROCEDURE BELOW TO ADDRESS THIS CONDITION.
T-SB-0074-162016-12-14. Service bulletin. TSB: SOME 2014 – 2015 MODEL YEAR HIGHLANDER VEHICLES MAY EXHIBIT A MIL “ON” CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P2610 (ECM/PCM ENGINE OFF TIMER PERFORMANCE) PRESENT. THE ENGINE CONTROL MODULE (ECM) LOGIC HAS BEEN MODIFIED TO REDUCE THE POSSIBILITY OF THIS CONDITION. PLEASE FOLLOW THE REPAIR PROCEDURE BELOW TO ADDRESS THIS CONDITION.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.