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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 …How to repair code P21DD in 2013 Duramax. Master Tech. 233 subscribers. Subscribe. 90K views 7 years ago. Duramax repair, Reductant system issues. DTC …Mike S. ASE Certified Technician. Vocational, Technical or Tra... 282 satisfied customers. Have a 2015 GMC Sierra 2500HD and the check engine light is. Have a 2015 GMC Sierra 2500HD and the check engine light is on. I went to auto zone and the gave me the code P21DD. I put 2 1/2 gallons … read more. p01f0 p21dd p2493. Jump to Latest Follow 2240 Views 7 Replies 2 Participants Last post by OkDually, Jan 25, 2022. danbrown1447 Discussion starter ...May 13, 2020 · 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. IIS Windows ServerDEF should be stored in a cool, dry, well-ventilated area. The ideal storage temperature for DEF is between 15ºF and 65ºF (-9ºC and 18ºC). It should not be exposed to direct sunlight for long periods of time as the urea will decompose. When possible, DEF packages and bulk storage should be kept indoors in temperature-controlled environments.Anyway I hooked up the Autel tester and it pulled 3 codes: P21DD-00 P21DD Reductant heater 1 current too low. U0073-00 U0073 Control Module Communication Bus A Off B048D-06 I forget what that one is The special warranty covers the DEF system up to 120,000 miles Question ..Are these 3 codes related so that when I go to a dealer he is not going ...The common case for the code P01FO to set in most cases is not a failing temp sensor but instead a stuck open engine thermostat and normally replacing it will solve this code for you. When the thermostat sticks it cause the engine temp to drop below 160 degrees and that cause this code to set.Izziduramax559 said: Whats up my Duramax pals., SO today I received a letter from gm stating if you own a 2016 GMC Duramax I believe this applies for 14-17 Chevys 2500, 3500 Duramax models also. This letter was intended to make you aware 2016 GMC Sierra models have a condition which causes an offset in temperature sensor in …P21DD turned into P20E8, P2047, and P204F. I just had a dealer replaced the tank heater in my DEF tank on my 2013 2500HD. It was still covered under the GM special coverage 29400. I was waiting to pick it up after they got it replaced and a new code popped up while they were test driving it.P20b9 P21DD 2013 gmc 6.6 diesel 6.6 liter. Replaced - Answered by a verified GMC Mechanic We use cookies to give you the best possible experience on our website.While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P21DD Renault Clio 2 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the …Oct 5, 2021 · NOTE: For DTCs P21DD, P20BA, P20B9, P204C, P208A, P208B, P208C this can indicate a concern with connector C3613. For DTCs P21CD, P203B, P205B and/or U02A2 this can indicate a concern with connector C4851 (F-Super Duty) or connector C3610 (F-150, F-650/F-750). 1. Oct 5, 2021 · NOTE: For DTCs P21DD, P20BA, P20B9, P204C, P208A, P208B, P208C this can indicate a concern with connector C3613. For DTCs P21CD, P203B, P205B and/or U02A2 this can indicate a concern with connector C4851 (F-Super Duty) or connector C3610 (F-150, F-650/F-750). 1. P2100 is a diagnostic trouble code (DTC) for "Throttle Actuator Control Motor Circuit Open (TACM)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic ...2. Is OBD-II Code P21DD a serious issue? OBD-II Code P21DD is a serious issue that should be addressed by a qualified mechanic as soon as possible. It could lead to increased emissions, reduced fuel economy, or engine damage if not repaired promptly. 3. How much does it cost to repair OBD-II Code P21DD?The P21dd usually intermittent is almost always a bad def heater which is part of the def tank reseviour. The P211cb is almost always for the number 1 NOX sensor up around the turbo. And the P140c could be caused by any of the following. Inspect for the following conditions that may cause this DTC to set: Contamination on the MAF sensor …2. Is OBD-II Code P21DD a serious issue? OBD-II Code P21DD is a serious issue that should be addressed by a qualified mechanic as soon as possible. It could lead to increased emissions, reduced fuel economy, or engine damage if not repaired promptly. 3. How much does it cost to repair OBD-II Code P21DD?Amazon Listing: https://amzn.to/2Yl3jV2My review of NEXAS NL102P diagnostic tool for heavy duty trucks. This tool can read and reset engine codes, force DPF ...Mike S. ASE Certified Technician. Vocational, Technical or Tra... 282 satisfied customers. Have a 2015 GMC Sierra 2500HD and the check engine light is. Have a 2015 GMC Sierra 2500HD and the check engine light is on. I went to auto zone and the gave me the code P21DD. I put 2 1/2 gallons … read more.The P21dd usually intermittent is almost always a bad def heater which is part of the def tank reseviour. The P211cb is almost always for the number 1 NOX sensor up around the turbo. And the P140c could be caused by any of the following. Inspect for the following conditions that may cause this DTC to set:

4 thg 9, 2021 ... Check out my social media!!!!! 0:00-intro 0:51-showing code P21DD 1:55-starting to remove side step 4:06-removing tank connectors and hoses ...retrmecwo · #6 · Jan 4, 2019. My engine light just came on today after getting an alignment from the dealer. Only have 27,000 miles on my 2015 2500. I pulled a 14,000 lbs 5th wheel with it on and off for the last two years and have never had an issue before. Have an appointment Mon with the dealer.If this video was helpful, consider donating :) Paypal - https://paypal.me/chadwilliams89Cash App - https://cash.app/$chadwilliamsfixesallVenmo - https://www...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.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 …

retrmecwo · #6 · Jan 4, 2019. My engine light just came on today after getting an alignment from the dealer. Only have 27,000 miles on my 2015 2500. I pulled a 14,000 lbs 5th wheel with it on and off for the last two years and have never had an issue before. Have an appointment Mon with the dealer.Save. Ramblinrodney · #8 · Mar 6, 2015 (Edited) Found this. 2013 gmc, 16,370 miles, cel on with P21dd code and is currently at dealership for def heater element replacement. Vehicle has been there since April 1st and waiting for part to show up the week of the 14th from gm.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.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. 7 thg 5, 2019 ... I had the same P21DD code com. Possible cause: If this video was helpful, consider donating :) Paypal - https://paypal.me/chadwil.