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Issue: Some 2017-2019 F-Super Duty vehicles built on or before 1-Aug-2018 equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic …Timing Belt Kit (Cruze Gen1) $285.95. Customize. FEATURED! Product Description Manufacturer Info Vehicle Applications. OEM replacement DEF tank heater for the Gen1 Chevy Cruze diesel. This heater failing is often the source for fault codes P21DD, P20EE, and/or P20B9. Check engine light with p21dd and p20b9. Indicates problem with heater circuit in the def tank . Easy repair , fast diagnosis.OBD P21DD Holden Zafira code and tailpipe testing are two different approaches to identify vehicles in need of repair. The OBD system looks for broken or malfunctioning emissions control components and P21DD, while tailpipe tests sample a vehicle's exhaust to see if it is above or below certain prescribed limits.GM Mechanic: Ron. The most common cause for the code P21DD to set on your Duramax is usually due to a failing Reductant Tank Heater and the fix will require replacement. As long as the engine is performing properly you are safe to drive it but this does need to be addressed as soon as you can get it in. If you are able I have enclosed the steps ...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.For the Chevy Duramax Diesel, the code P20B9 indicates an issue with the DEF reservoir heater. More often than not, it will be the heater itself that must be...Safaladi · #7 · Jun 4, 2020. Just had my DEF tank replaced under special warranty two days ago at the dealer after getting a P21DD. Service consultant originally said it's not covered under a 10yr/120k mile special warranty. I insisted that it is, he double checked and got it covered - nothing out of pocket.To diagnose the P21DD Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Dec 25, 2017 · P21DD error code 24521 Views 3 Replies 4 Participants Last post by hughesnp , Oct 30, 2018 Jump to Latest K ktcheeseman65 Discussion starter · Dec 25, 2017 How long can you drive with this error code (P21DD).My duramax is a 2014 Reply Save 1 - 4 of 4 Posts L Lighthouse-6 · #2 · Dec 25, 2017 That is the DEF tank heater. How many miles on the truck? Chevrolet TSB 21-NA-006 Make: Chevrolet Number: 21-NA-006 Title: Diagnostic Tip to Diagnose Emission Reduction Fluid Tank Electrical Connector Inspection, Reduced Power Message, Service Emissions System, System Displayed on the Drivers Information Center (DIC) Malfunction Indicator Lamp (MIL) Illuminated - DTC P20C1, …the GPCM was also reprogrammed. Could this have caused this current problem and resulting code P21DD? We are definitely not experienced and will need to take it to a professional. We are just trying to determine whether we should take it to the GMC dealer or back to the place that just replaced the glow plug control module and both batteriesTiming Belt Kit (Cruze Gen1) $285.95. Customize. FEATURED! Product Description Manufacturer Info Vehicle Applications. OEM replacement DEF tank heater for the Gen1 Chevy Cruze diesel. This heater failing is often the source for …Hello, please someone can help to remove adblue and egr from gmc sierra iwt ecu edc17cp18, also got two dtc P204f and P21dd. Thanks for any help Attached Images. datos auto.jpg (32.4 KB, 37 views) dtc1.jpg (15.5 KB, 35 views) Attached Files. id_prt1224.txt (73 Bytes, 6 views)Over 120K Miles now and I had a return of the P21DD. No big since I have the OBDII module and can just reset the CEL everytime it pops and prevent the limp mode. Dealer quoted me $500+ and I laughed. I checked the parts department and they want $235 just for the reservoir...and I laughed.mechanic. Auto Mechanics. 2,849 satisfied customers. Looking for 6 1\2 truck bed 2004 F250 Diesel Ford Harley. Hello looking for 6 1\2 truck bed 2004 F250 Diesel Ford Harley Edition … read more.Check engine light with p21dd and p20b9. Indicates problem with heater circuit in the def tank . Easy repair , fast diagnosis.They said P21DD is, as we know, an issue with the reduction tank heater. Spec says it should be from 5 to 7 amps, mine is at 3.46 max. They quoted me $679 to …When the Heated Seat Module (HSM), the Totally Integrated Power Module (TIPM), the Tire Pressure Monitoring (TPM) Module or the Blind Spot Module (BSM) sends a message …6.6L DEF Heater/Diesel Exhaust Fluid Reservoir Heater Kit Compatible ...

found code p21dd reductant tank heater 1 low current. tested reductant heaters and circuits per doc#2967471. found heater 1 current at 1.4amps, internal resistance over 5ohms. replaced reductant reservoir. retested system. installed latest updates in engine control module, claim#1149d. road test and verify system operating properly.2016 2500 Engine code P205b. Turns out to be the heater sensor in the def tank. Called Chev dealership who advised they have "no special policy" for the 2016 but yes on the 2011-2015. Def tanks had to be replaced and they are on a national back order.The Cruze was sending out code P20B9 as well as the P21DD. This diagnostic trouble code (DTC) is a generic powertrain code and applies to many diesel OBD-II vehicles (1996-newer). ... A stored code P20B9 means that the powertrain control module (PCM) has detected no voltage in the control circuit for the on-board reductant heater.What Does the Engine Code P21DD Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in …May 31, 2018 · The P21DD for the DEF tank was putting it into derate count down so in it went. Radio blanked out recently and had a slow coolant leak for some time, figured water pump. Car received:-NOx recall and PCM reflash-new DEF reservoir kit-negative battery cable-water pump I requested new timing belt and tensioners at my cost if the water pump was ...

P1116 ECT Signal Unstable Or Intermittent - Read Our Article on Intermittent Diagnosis For Help With This GMC Check Engine Light Code. P1117 Engine Coolant Temp Signal Out-Of-Range Low. P1118 Engine Coolant Temp Signal Out-Of Range High. P1119 ECT Signal Out Of Rage With TFT Sensor. P1120 Throttle Position (TP) Sensor 1 Circuit.Issue: Some 2017-2019 F-Super Duty vehicles built on or before 1-Aug-2018 equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P21DD, P204C, P21CD and/or U02A2 in the powertrain control module (PCM). FreedomOne · #4 · Nov 18, 2022. Most common issue code with the Derringer was a p1091 fuel pressure sensor code and subsequent limp. Your code isnt Derringer related. As mentioned in your other thread you have an emissions system issue which is unfortunately common on many of these trucks. 2019 3500HD, Cclb, Drw, ……

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Izziduramax559 said: Whats up my Duramax pals., SO t. Possible cause: Nov 12, 2015 · Duramax repair, Reductant system issues. DTC P21DD .