2015 Caterpillar Ct681 problems, complaints & recalls
Safety recalls (1)
Parking Brake:conventional:air 2014-12-23 · campaign 14V814000 · 57 vehicles
Defect: Caterpillar Inc. (Caterpillar) is recalling certain model year 2015 CT660, and CT681 trucks manufactured July 28, 2014, to November 5, 2014. The affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber.
Risk: Brake drag may result in a wheel end fire.
Fix: Caterpillar will notify owners, and dealers will replace the brake actuators, free of charge. An interim letter was mailed to owners on March 18, 2015. A second notice will be mailed once parts become available. Owners may contact Caterpillar customer service at 1-309-675-5658.
Service bulletins (10)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2019-02-02 · TEBE876100 · Service Bulletin/Repair Instructions
certain truck models that were built with 2013 through 2015 model year ct13 engines. engine software obd issues will be corrected which will aid in engine malfunction identification and proper diagnosis. in addition, under certain conditions, the selective catalytic reduction (scr) system inducemen
Engine 2017-07-05 · TEBE640800 · Service Bulletin/Repair Instructions
there is a problem with certain truck models that were built with 2013 through 2015 model year ct13 heavy duty on board diagnostic (hdobd) engines. these engines will require recalibration of the engine ecm and acm (aftertreatment control module). certain on board diagnostic (obd) issues will be cor
Engine 2017-06-29 · TEBE585600 · Service Bulletin/Repair Instructions
there is a problem which relates to engine emissions on certain ct660, ct680, and ct681 on highway trucks that were built with 2016 model year compliant ct13 engines. this recall will require recalibration of the engine ecm. certain on board diagnostic (obd) issues will be corrected which will aid i
Engine 2016-11-10 · M0066850-01 · Service Bulletin/Repair Instructions
extended life coolant (elc) exhibiting nitrite depletion in machines equipped with aluminum radiators-nitrites in extended life coolant (elc) can react with the aluminum cooler to produce elevated ph and low nitrite levels in schedule oil sampling (s@™o@™s) samples. as there are multiple issues that
Engine And Engine Cooling:exhaust System 2016-11-08 · TEBE5242-00 · Service Bulletin/Repair Instructions
the existing exhaust flex pipe can crack on certain ct660, ct680, and ct681 on-highway trucks. if the existing exhaust flex pipe cracks it can/will result in an exhaust leak after the aftertreatment system but before the vertical stack. replace the exhaust flex pipe and both cab shocks.
Structure 2016-01-02 · M0067812-00 · Service Bulletin/Repair Instructions
aftertreatment outlet nox sensor internal water shield installation - water intrusion can cause the malfunction or failure of the aftertreatment outlet nox sensor on vertical exhaust configurations. the recommended repair is to install a rain shield which prevents water from traveling down vertical
Showing the 6 most recent of 10 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.