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P20B9 Duramax - Full Repair of DEF Heater. Lehew. 148K subscribers. 111K views 6 years ago. For the Chevy Duramax Diesel, the code P20B9 indicates an issue with the DEF reservoir heater. More...P20B9, P204C, P208A, P208B, P208C, P203B, P205B, P21CD and/or U02A2 in the powertrain control module (PCM). This may be due to water intrusion within connectors C3613 and/or C4851/C3610 on the reductant harness going to the reductant pump/heater assembly and the reductant level sensor/quality module. Hello I have a P2263 code that keeps popping up in a 2015 3500 chevy 6.6 duramax. Brand new long block engine and turbo. Old engine went out at 84,000 miles.. New engine and turbo is doing the same exact thing. What do you think. ... I had a code p20b9 come up last week so I took it to a local shop.BryanVilaubi · #2 · Dec 4, 2007. P0700 is the TCM requesting a MIL (Malfunction Indicator Light aka: "check engine"). All the 700 code does is tell the ECM "something's wrong" and to illuminate the MIL. There is another code in the TCM that you need to pull that will actually tell you what the malfunction is so let me know what that …

Chevy / GMC 2500HD Duramax - P20B9-00 Reductant Heater Problem - Part II. South Main Auto Repair LLC. 811K subscribers. Subscribe. 6.7K. 193K views 7 years ago. NOTICE: After the first video...C. CntrlCalDmax Discussion starter · Apr 12, 2017. 55,500 miles CEL comes on, code P20B9. Look it up and looks like it is the DEF heater. Trouble shot by checking resistance from the heater pin at the glow plug controller to ground. Found high resistance.Oct 26, 2017 · Limp mode | Chevrolet Cruze Forums. P21DD P20B9 code. Limp mode. Got these two codes this week while on hiway. Check engine lite, def light, countdown came on Took to dealer today since it was on count down to slow limp mode. Right now dealer says it is glow plug module. Had to order part, so hope to get back tomorrow. 2013 chevy Silverado 2500hd 6.6 lml. Codes p204b, p20a0, and…. DTC P204B is a Type A DTC. The ECM inhibits the reductant system. The ECM commands the engine to operate in Reduced Engine Power mode. The driver information center may display the Engine Power Is Reduced message. Todd M and 87 other Chevy Specialists …

Chevy / GMC 2500HD Duramax - P20B9-00 Reductant Heater Problem - Part II. South Main Auto Repair LLC. 811K subscribers. Subscribe. 6.7K. 193K views 7 years ago. NOTICE: After the first video...Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Full Forum Listing. Explore Our Forums. 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads …Save. R. Ron Nielson · #4 · Jun 1, 2018. DTC P1089. Fuel Rail Pressure Performance During Deceleration Fuel Cut Off. The Engine Control Module (ECM) monitors for changes in fuel rail pressure when the vehicle is in a deceleration condition and the fuel injected quantity is at zero. ….

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Duramax 3500 2019 6.6L Engine. Speed limited 32 km/h. Replacing Reductant heater 1 was frozen. Due to weather - 30deg.What Does the P20B9 Code Mean? As reductant will freeze at temperatures below -11°C (12°F), there are 2 reductant heaters located in the reductant tank. One heats the reductant in the tank, and one heats the reductant supplied to the reductant injector supply pipe. The Engine Control Module ( ECM) monitors the reductant temperature in the ... Torque Converter Chatter. Bad solenoid. Debris blockage in the valve body. Improper C3 lubrication. Electrical issues / bad. Again, this is a great place to start diagnosing your P0700 codes for 2001-2004.5 (LB7 & LLY) Allison-equipped HD trucks. However, final diagnostics should always be done in person by a professional.

Apr 30, 2018 · Reply. Save. BrainGlide11 Discussion starter · #4 · Apr 30, 2018. My truck recently went into limp mode/ de-rate to 55mph due to DEF fluid issues. Cannot clear the code with a scan tool. Drained out fluid and replaced with fresh. Everything leads to taking it to a dealer to clear the code. At next fill up it's going to be de-rated to 4mph. • P20B9: Reductant Heater 1 Control Circuit • P221E: Reductant Tank Heater 3 Low Current Some technicians may also find when commanding one of the heaters on, that there is no current, 0 amps in GDS2 or unable to command the heaters on. Cause This condition may be caused by a poor connection at the Emission Reduction Fluid Tank electrical ...

6 00 utc to est What Does the P20B9 Chevrolet Code Mean? As reductant will freeze at temperatures below -11°C (12°F), there are 2 reductant heaters located in the reductant tank. One heats the reductant in the tank, and one heats the reductant supplied to the reductant injector supply pipe. The Engine Control Module ( ECM) monitors the reductant temperature ...Code P20B9-00. While hitching up last weekend to return home, I started the truck (2012 Silverado 2500HD/Duramax LML) and immediately got this warning message on the Driver Information Center (DIC): "Service Exhaust Fluid System. Check Owners Manual Now". I was warned that in 99 miles, speed would be restricted to 65 MPH. coleman 17r for salepondonstore 3.Remove the Q61 emission reduction fluid injector from the exhaust pipe leaving the reductant line and electrical connector connected. Place the Q61 emission reduction fluid injector into a suitable container. 4.Ignition ON, command the Reductant System Leak Test ON with a scan tool. pocketomi Apr 11, 2021 · GMC 2011 3500HD Duramax DEF light on followed by engine check light, Fault codes P2047, P208A, P204C, P205D, U010E. all can be cleared and return at start up. Have removed DEF tank, cleaned system with water, checked wire harness continuity OK, New tank heater, New DEF injector to exhaust, New DEF fluid. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Full Forum Listing. Explore Our Forums. 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads … fedex book bindingbehr cordovan brownbaylen levine quotes Feb 9, 2023 · After replacing the wiring harness on the Diesel Exhaust Fluid (DEF) tank on some 2020-2022 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine (RPO L5P), several DTCs may set. DTCs P20B9 (Reductant Heater 1 Control Circuit) and P20C1 (Reductant Heater 3 Control Circuit) may be caused by a wiring ... Nov 27, 2011 · sengli · #18 · Sep 30, 2013. I have a 2011, had the p205b code and the check engine light is on now at 5200 miles. First trip to the dealer they replaced the module for the DEF tank. It did not fix the issue, the check engine light went off for one day. Second trip to the dealer, they replaced the sensor in the DEF tank and so far so good. mass payinfo I have a 2013 Silverado 2500 HDLT, 6.6 Duramax. Cranks but wont start. It was very cold, and I didnt plug it in. tried - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... Chevy Truck 2500 6.6 Duramax, P20B9 Reductant Heater Control.What Does Code P2463 Mean? OBD II fault code P2463 is a generic code that is defined as “Diesel Particulate Filter Restriction – Soot Accumulation”, and is set on all diesel applications when the PCM (Powertrain Control Module) detects an excessive accumulation of solid particulate matter (diesel soot) in the diesel particulate filter ... uhaul marysville ohiolendvia financial reviewsrise lake in the hills photos A stored code P20BD means that the powertrain control module (PCM) has detected no voltage in the control circuit for the on-board reductant heater designated with the letter B. This designation is used where multiple reductant heaters are in use, consult a vehicle specific repair manual to determine which is the B circuit for your application.This document provides information on diesel exhaust fluid (DEF) and the diesel particulate filter (DPF) for 2014 Chevrolet Silverado and GMC Sierra vehicles equipped with a 6.6L Duramax diesel engine. It explains the warning messages, the service procedures, and the diagnostic instructions related to these systems. It also includes some frequently asked questions and answers about DEF and DPF.