{"vehicle":{"id":"2013_ram_1500","year":2013,"make":"Ram","model":"1500"},"code":"P26AB","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10215811,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-07-18","date":"2013-04-11","document_id":"18-017-13","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code has been set: P26AB-Engine Coolant Bypass Valve Stuck","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10215811-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10215811-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10215811"},{"nhtsa_id":10188644,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-15","date":"2013-04-11","document_id":"18-017-13","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","summary":"This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code has been set: P26AB-Engine Coolant Bypass Valve Stuck","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10188644-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10188644-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10188644"},{"nhtsa_id":10121873,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-11-17","document_id":"18-103-16 REV. B","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","summary":"Flash: Powertrain System Improvements/EnhancementsThis bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following (DTCs) have been set:P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible (14&15 MY). P0116 - Engine Coolant Temperature Sensor Performance (14&15 MY). P0335 - Crankshaft Position Sensor Circuit (14&15 MY). U1424-00 - Implausible Engine Torque Signal Received (14&15 MY). P1239 - Engine Oil Temperature Too Low (15 MY Sales Code ERB). P0300 - Multiple Cylinder Misfire.P0456 - EVAP System Small Leak.P0607 - ECU Internal Performance.P2096 - Downstream Fuel Trim System 1 Lean.P2097 - Downstream Fuel Trim System 1 Rich. P2098 - Downstream Fuel Trim System 2 Lean. P2099 - Downstream Fuel Trim System 2 Rich. P1004 - Short Runner Valve Control Performance. P2008 - Short Runner Valve (SRV) Control Circuit. P2016 - Intake Manifold Runner Position Sensor Circuit Low. P2017 - Intake Manifold Runner Position Sensor Circuit High. P26AB - Engine Coolant Bypass Valve Stuck.U0140 - Lost Communication With Body Control Module (attempting to clear this DTC will be unsuccessful) (with 4.7L or 3.6L).P0607 - ECU Internal Performance. (with 4.7L).The following improvements are included in this update:Throttle Position Sensor (TPS) calibration (14&15 MY).Corrects a false oil pressure lamp illumination at key on (14&15 MY with 5.7L).Shift quality of the first shift after a few hours of vehicle drivetrain cooling down.Automatic Shut Down (ASD) Relay Enhancements To Improve Fuel Pump Relay Initialization At Key On - (Auto Shutdown).Charging system voltage regulator control improvements.System improvements to prevent MIL illumination with a DTC P0300 - Multiple Cylinder Misfire when using a block heater in ambient temperatures grea","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121873-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121873-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121873"}],"url":"https://open.wenmarpro.com/makes/ram/1500/2013/bulletins?code=P26AB"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/ram/1500/2013/codes/P26AB","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}