{"nhtsa_id":10121814,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2017-09-23","document_id":"18-024-17 REV. C","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs have been set:P0556 - Brake Booster Pressure Sensor Circuit Performance. P040B - Exhaust Gas Recirculation Temperature Sensor 1 Circuit Performance(3.6L Only). U1424 - Implausible Engine Torque Signal Received(2017 MY Only). P2681 - Engine Coolant Bypass Valve Control Circuit Open(3.6L Only). P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. B23C3 - Stop/Start Disable Switch 1/2 Correlation(3.0L and 3.6L Only). The following DTCs have been changed from a one trip fault to a two trip fault for(3.0L and 3.6L Only):P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0344 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 1. P0365 - Camshaft Position Sensor Circuit - Bank 1 Sensor 2. P0369 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 2. P0345 - Camshaft Position Sensor Circuit - Bank 2 Sensor 1. P0349 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 1. P0390 - Camshaft Position Sensor Circuit - Bank 2 Sensor 2. P0394 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 2. In addition, customers may experience one of the following conditions:A shorter auxiliary battery life. An illuminated Automatic Oil Change Indication (AOCI) light(3.6L Only). Other enhancements included in this update:Improvements to vehicle drivability during a cam or crank sensor MIL condition(2017 MY Only). Improved knock sensor performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10121814-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10121814-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121814","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["B23C3","P0335","P0339","P0340","P0344","P0345","P0349","P0365","P0369","P0390","P0394","P040B","P0556","P2299","P2681","U1424"],"topics":[],"vehicles":[{"make":"DODGE","model":"DURANGO","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_dodge_durango","2017_dodge_durango"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_jeep_grand-cherokee","2017_jeep_grand-cherokee"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}