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Service bulletins for the 2014 Honda Ridgeline

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
ATS1607152017-06-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. TECHLINE SUMMARY ARTICLE - IF THE ENGINE IS OVERHEATING AND THERE’S ENGINE OIL MIXED IN THE COOLANT RESERVOIR, CHANCES ARE THE CYLINDER HEAD MAY BE CRACKED. A CRACK MAY FORM UNDER THE FRONT AND/OR REAR CAMSHAFT AT THE JOURNALS AND IS A RARE OCCURRENCE.
ATS1607152016-12-28. Service bulletin. ENGINE. "TECHLINE SUMMARY ARTICLE - IF THE ENGINE IS OVERHEATING AND THERE’S ENGINE OIL MIXED IN THE COOLANT RESERVOIR, CHANCES ARE THE CYLINDER HEAD MAY BE CRACKED. A CRACK MAY FORM UNDER THE FRONT AND/OR REAR CAMSHAFT AT THE JOURNALS AND IS A RARE OCCURRENCE. YOU CAN SEE THIS CRACK FROM VISUAL INSPECTION. IT CAUSES ENGINE OIL TO ENTER THE COOLING SYSTEM AND COOLANT TO ENTER THE ENGINE LUBRICATION SYSTEM. REPLACE THE CYLINDER HEAD IF YOU FIND IT’S CRACKED."
ATS1607152016-11-21. Service bulletin. ENGINE. "TECHLINE SUMMARY ARTICLE - IF THE ENGINE IS OVERHEATING AND THERE’S ENGINE OIL MIXED IN THE COOLANT RESERVOIR, CHANCES ARE THE CYLINDER HEAD MAY BE CRACKED. A CRACK MAY FORM UNDER THE FRONT AND/OR REAR CAMSHAFT AT THE JOURNALS AND IS A RARE OCCURRENCE. YOU CAN SEE THIS CRACK FROM VISUAL INSPECTION. IT CAUSES ENGINE OIL TO ENTER THE COOLING SYSTEM AND COOLANT TO ENTER THE ENGINE LUBRICATION SYSTEM."
IN-2014-062014-08-06. Service bulletin. ENGINE. HONDA: ON SOME VEHICLES, AN INVESTIGATION INTO MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P2101 THROTTLE CONTROL SYSTEM MALFUNCTION TO FIND CAUSE OF CONDITION. MODEL 2012-2014 RIDGELINE. *PE

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