WebFeb 9, 2024 · im am having similar issue brought my truck in on tues for def light and engine light "service exhaust fluid system' checked obd2 code P20b9 the dealer installed replacement reductant heater resevior kit, reinstalled tank. function test amperage is now normal. 2 days after engine light turns back on then exhaust light turns on goes into a … WebOct 27, 2024 · Check engine light on and countdown to limp mode has begun. Code is P20B9, def heater I believe. I have found something about an extended warranty extension #14652? Anytime else come across this? 2012 lml only 51000 miles. 2012 Chevrolet Silverado HD2500 Crew cab FC5452 Taking the Long Way Home Joined Nov 1, 2011 …
P20B9 Reductant Heater A Control Circuit/Open - OBD …
WebFeb 10, 2024 · Diagnostic trouble code (DTC) P20B9 stands for “Reductant Heater “A” Control Circuit/Open.” This code sets when the reductant heater doesn’t perform as expected. The P20B9 engine code can also be triggered if the powertrain control module … WebJan 18, 2024 · P20B9 code on 2024 3500. Tags codes engine light. ... came on. Just got a code reader and this is the code P20B9-Reductant Heater A control circuit/open. Also getting a code for P2509 - Power Input Signal Intermittent. ... Chevy GMC Duramax Forums 215K+ members. Powerstroke Diesel Forum 271K+ members. The Honda Transalp … caomindy.cc
What Is P20B9 code on 6.7 Powerstroke: How To Fix? - MotorAudit
WebBelow are common check engine light trouble codes for the Chevy/GM Duramax diesel. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. Call us at 1-859-737-4966 with any questions you may have about your diesel. … WebAug 17, 2016 · 2014 Chevy Cruze Diesel - MSR 013 17" wheels, Black Bowties, UR Rear Lower Bar 2007 Chevy Cobalt LT Coupe - M62 w/ 2.9" pulley, ... The P21DD came on about 300 miles before the P20B9 code came on with the reduced engine power warning. I had reset the P21DD code twice but it came back within 2 starts, so I took it to the Dealer. ... WebHave a 2015 3500 duramax with codes reading P20B9 def light is on and check engine light - Chevrolet 3500 question. Search Fixya. Browse Categories Answer Questions ... Ran out of gas in my 07 Chevy HHR filled it up then the whole car completely shut off about a mile away away and my gauges were reading full when I know it wasn't! And making a ... caolurwiht