Code 2554 cummins

Action Taken When the Fault Code is Active: • The ECM illuminates the amber CHECK ENGINE light immediately when the diagnostic runs and fails. • A default value is used for the exhaust gas pressure reading. Conditions for Clearing the Fault Code: • To validate the repair, make sure the engine coolant temperature is above 70°C or 158°F.

Diagnostic Fault Codes For Cummins Engines Applies to Engine Models QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23, QST30, QSK45/60/78 Note: These fault codes are current at date of publication. Always refer to engine service manual for the latest information related to engine diagnostics and troubleshooting.How to Cummins fault code 7864,2554,4489,4487, kaise thik kaire or kya kairehow to tata bs6 vehicle faultcode remave kaise kaire#tatamotors #cummins #tata #c...Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2554 PID: 131 SPN: 1209 FMI: 2 Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect. The exhaust gas pressure sensor is reading an erratic value at initial Key On. Features & Benefits. Robust & Reliable Engine. Alternator - Superior Efficiency with H class insulation. Cooling system with higher ambient capability. Integrated fuel tank for uniterrupted operations. 4 point lifting. Advanced microprocessor based Controller. Unique enclosure design with enhanced system performance. Hi there I have Peterbilt truck 2017 with Cummins ISX engine Vin - 457522It has fault code 2374 Spn 1209 fmi 4I removed the turbo intake pipe When the RPM goes down the turbo intake side throws the ai …

File: 16-t05-2554 Page 2 of 9 TROUBLESHOOTING STEP STEP 1: Check for sensor circuit fault codes. STEP 1A: Check for Fault Codes 2373 and 2374. Condition: • Turn keyswitch ON. • Connect INSITE™ electronic service tool. Action Specification/Repair Next Step Check for active fault codes. • Use INSITE™ electronic service tool to read the ...Home » Fault Codes CUMMINS ISB ISC ISL ISBe ISDe and QSB3.3 CM2150 » SPN 101 - FMI 2 (Fault Code 1942) SPN 101 - FMI 2 (Fault Code 1942) Blog.Teknisi. Thursday, August 16, 2018 Fault Codes CUMMINS ISB ISC ISL ISBe ISDe and QSB3.3 CM2150. SPN101 FMI2 Crankcase Pressure - Data Erratic, Intermittent, or …fault code 2554,7864,4487,4489,3712,3714 exhaust gas pressure sensor exhaust gas tube chock इस वीडियो को पुरा देखना ये बहुत ही impotent ...Oct 11, 2010 · I am not sure of the PID codes. Cummins lists the Exhaust pressure sensor as PID P95. Cummins code for Exhaust pressure sensor data invalid, incorrect is 2554. You will get this code as the sensor starts to "die". After it burns out you will get 2374 for signal shorted low and/or 2373 shorted high. j1939 spn j1939 fmi diagnostic code description fault code 611 3 vgt air control shutoff circuit --shorted high 2355 611 4 vgt air control shutoff circuit --shorted low 2356 612 2 exhaust gas pressure sensor circuit --data intermittent or incorrect 2554 615 3 egr valve delta pressure sensor cir-cuit -- shorted high 2273 615 4 egr valve delta ...1943 Critically lowered atmospheric pressure 1961 Exhaust gas recirculation temperature increased 1962 Turbine control temperature increased 1968 High temperature of ...

One part runs immediately after the keyswitch is turned OFF, and the engine coolant temperature is above 70°C or 158°F.Onan Exhaust Tube 10ASA - 155-2554. Price: $1,087.25. Out of Stock -. Notify me when this item is available. Free shipping on shipped orders $75+ ( *restrictions apply)Low turbocharger speed detected by the ECM. Engine power derate. The ECM uses an estimated turbocharger speed. To clear the fault code after a repair, take the vehicle on a short test drive with a few hard accelerations from stop to approximately 35 mph. DR.Cummins, FIELD SERVICE TECHNICIAN.This technical service bulletin describes the verification and resolution of fault code 6255 present with no other fault codes caused by an engine control module calibration code issue. TSB Number: TSB160070-010317 NHTSA Number: 10092063 TSB Date: January 3, 2017 Date Added to File: February 16, 2017 Failing Component: Engine (Pws) …No promo code required. Pay via the respective credit/debit card to avail ... Cummins. Item Dimensions LxWxH. 20.3 x 15.2 x 8.6 Centimeters. Item Weight. 1.12 ...Cummins ISB4.5 CM2150 Fault Code: 2555 PID: SPN: 729 FMI: 3 Engine Intake Air Heater 1 Circuit – Voltage Above Normal or Shorted to High Source. Circuit Description The intake air heater improves starting and white smoke control in cold ambient conditions.

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SPN: 1569 / FMI: 11/31. Cummins Fault codes 3712 and 3714. If these fault codes are active, this means the engine performance is already reduced (power derate) and possibly the vehicle speed is also limited. Both are information-only fault codes which appear when the ECM detects active critical fault codes related to engine operation.• Use the recommended Cummins® electronic service tool or equivalent to find the current ECM code and revision number in the ECM. • Compare the ECM code and revision number in the ECM to the calibration revisions listed in the ECM Calibration Revision History Database for applicable changes related to this fault code. Cummins ISX Fault Codes. Fault Code 111 Electronic Control Module Critical Internal Failure. Bad Intelligent Device or Component. ... Fault Code 2554 Exhaust Gas Pressure – Data erratic, Intermittent, or Incorrect. Fault Code 2555 Intake Air Heater 1 Circuit – Voltage Above Normal or Shorted to High Source.Joined: Sep 2020. RE: Fault code 2754 - CM2250. I know this seems like an old thread but I’ve been battling this code for 3 months. I’ve baked filters, replaced doser, egr valve, dpf pressure sensor, egr pressure sensor, Nox and throttle valve. We ran a running diagnostics pulling a load, temps good and 0% ash.I am not sure of the PID codes. Cummins lists the Exhaust pressure sensor as PID P95. Cummins code for Exhaust pressure sensor data invalid, incorrect is 2554. You will get this code as the sensor starts to "die". After it burns out you will get 2374 for signal shorted low and/or 2373 shorted high.Cummins isx fault code 4156,1881,3712,3714

Keeps throwing 2374 code on ISX 525 Cummings repair shop clears codes. Runs great. For a day. ... Have a 2012 Int 4300 with cummins have 4 codes i need help with ...4. EGR. EGR temp sensor voltage below normal. 412. 0. EGR. EGR temp above normal range. List of fault codes for the Cummins ISB, Cummins ISC, Cummins ISL, Cummins ISM, Cummins ISX, and all other Cummins electronically controlled engines.One part runs immediately after the keyswitch is turned OFF, and the engine coolant temperature is above 70°C or 158°F.• The fault code status displayed by the recommended Cummins electronic service tool or equivalent will change to INACTIVE immediately after the diagnostic runs …Fault Codes CUMMINS ISB ISC ISL ISBe ISDe and QSB3.3 CM2150 (168) Fault Codes CUMMINS GTA38 K38 K50 QSK38 QSK50/60 CM850 (97) Fault Codes CUMMINS Signature ISX QSX15 CM570 (94) Diesel Engine Software (90) Caterpillar Electronic Technician (86) Fault Codes CUMMINS ISB ISBe QSB4.5 QSB5.9 QSB6.7 ISC QSC8.3 ISL ISLe QSL9 CM850 (CM2850) (52)Codes 1921, 1922, 1981, 3375, and 3376. Issue Affects Cummins® CM2350 ISX15, ISX12, ISL(PX9) and (ISB)PX7 in PACCAR™ Chassis. Chassis List: NOTE: See attached engine serial number (ESN) list for affected units. There are two ground wires in the diesel exhaust fluid (DEF) Supply module wiring harness. A One part runs immediately after the keyswitch is turned OFF, and the engine coolant temperature is above 70°C or 158°F.

Electrical VGT Actuator Problems. Hook the actuator up to the computer with it disconnected from the turbocharger and you can test it. Here are some symptoms of electrical faults: Fault Codes. Sector Gear Moves Easily. Noise Coming …

FAUT CODES EnginE (Cummins) SPN FMI TEMSA DTC J1939 SPN/FMI Description Cummins Fault Code Cummins Description 111 3 124 Engine Coolant Level Voltage Above Normal, Or Shorted To High Source 195 Coolant Level Sensor 1 Circuit - Voltage above normal, or shorted to high source 111 4 125 Engine Coolant Level Voltage Below Normal, Or Shorted To Low ... Dorman 674-1003 Direct-Fit Diesel Particulate Filter (DPF) $2,420.69. 6.7 Cummins 2007.5-2012 (Ram 2500) Ships From Manufacturer (Usually in 1-3 Days) Add to Wish List. Add To Cart.whatsapp +51955515985; [email protected]; 24/7 Customer Support; Facebook-f Twitter Github Bitbucket Twitter Github Bitbucketfault code 2554,7864,4487,4489,3712,3714 exhaust gas pressure sensor exhaust gas tube chock इस वीडियो को पुरा देखना ये बहुत ही impotent ...Oct 22, 2020 · This is an explanation on what it takes to clear fault codes 3712 and 3714 on Cummins powertrains. Our technical support services have successfully helped ma... Fault Code: 2554 PID: P95 SPN: 1209 FMI: 2/2 LAMP: Amber SRT: ... getting a fault code on 2006 international 9900i with cummins isx. code is 128:F00 PID105_P ...Here are all the ISL and ISC codes available for the Cummins ECM. These Cummins trouble codes pertain to both models equipped with the High Pressure Common Rail (HPCR) fuel system. ISL & ISC Codes 0-100. 0001 Exhaust Gas Pressure Sensor Number 1 Circuit - Voltage Above Normal, or Shorted to High Source. 0002 Exhaust Gas Pressure Sensor Number 1 ... Action Taken When the Fault Code is Active: • The ECM illuminates the amber CHECK ENGINE light immediately when the diagnostic runs and fails. • A default value is used for the exhaust gas pressure reading. Conditions for Clearing the Fault Code: • To validate the repair, make sure the engine coolant temperature is above 70°C or 158°F.

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cummins 3382 and 2554 Rjpierma24 Location Offline Senior Member Reputation: 5 Thanks Given: 79 Thanks Received: 74 (48 Posts) Posts: 657 Threads: 336 Joined: Feb 2016 1 03-26-2017, 04:25 AM (This post was last modified: 03-26-2017, 04:32 AM by Rjpierma24 .) hey guys I have an ISB 6.7 CM2350. Truck came in limpmode. Had a ton of codes.Dec 16, 2022 · I have5 fault codes 1897, 2554, 3389 ,4449, 5898 on a 2020 t880 cummins ix 15 causing poor throtle response changed DEF - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Feb 1, 2016 · Cummins ISB 6.7 #73430548, Active code for intake manifold 1 pressure data erratic, SPN 102, FMI 2, Flash code 2973. Where is the sensor located? What else could cause this if the sensor has already b … RE: Cm2350 Logging 2554 and 2764 codes. (10-01-2020 )Rawze Wrote: (10-01-2020 )Kubasj05 Wrote: 2554 code as active and 2764 is inactive. Anyone has experienced this in the past and possibly found solution to it. Thanks in advance, Jacob. fault code 2554 = The exhaust gas pressure sensor is reading an erratic value.Diagnostic Fault Codes For Cummins Engines Applies to Engine Models QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23, QST30, QSK45/60/78 Note: These fault codes are current at date of publication. Always refer to engine service manual for the latest information related to engine diagnostics and troubleshooting.Got a cummins fault code 2554. i have replaced the sensor got a cummins fault code 2554. i have replaced the sensor and it the code is still active. read moresetup a cummins quickserve online account for free and filter all information to be relevant to your engine.Originally founded for owners and enthusiasts of Cummins powered Dodge pickups, the Cummins Forum has expanded to include ALL Cummins Engine applications! Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more!• The fault code status displayed by the recommended Cummins electronic service tool or equivalent will change to INACTIVE immediately after the diagnostic runs and passes. • The ECM will turn off the amber CHECK ENGINE lamp immediately after the diagnostic runs and passes.Celect Plus Codes - Includes n14, M11 & L10 engines after 1995 ISX Fault Codes - without EGR (Before 2002) ISX Fault Codes - with EGR (2002 - 2006) ISX Fault Codes- with DPF (2007-2010) Leave Cummins Codes and return to Home PageTechnician: cumminsdr. It should hold at least 130 PSI. You Should look for leaks first. White deposits are an indication of DEF leakage. Even look at the connector on the doser pump. It leaks there too. Start at the DEF tank and follow the lines to the doser pump then to the doser valve on the decomp tube. ….

82 posts · Joined 2014. #1 · Oct 15, 2015. So about a month ago when I rebuilt my front end, I ordered a Red Head steering box to finish it off. I have never heard anything bad about them other than the rare occasion that the first unit leaked and they sent out a replacement with no issues. It finally comes in as I have already replaced ...Complete overview of the Cummins ISB 6.7L engine. Includes fault codes, diagnostic information, and more. ... Fault Code 1877 Aftertreatment Exhaust gas Temperature 3 Circuit ... Fault Code 2554 Exhaust Gas Pressure - Data erratic, Intermittent, or Incorrect.2554. Exhaust Gas Pressure 1 - Data erratic, intermittent or incorrect. X. X. X. X ... SA 0 SAE Diagnostic Trouble Codes and Cummins Fault Codes. SAE. J1939. SPN.Electrical VGT Actuator Problems. Hook the actuator up to the computer with it disconnected from the turbocharger and you can test it. Here are some symptoms of electrical faults: Fault Codes. Sector Gear Moves Easily. Noise Coming from Turbocharger. Low Boost. Over Boost.MID 128 - Cummins Cummins PID/ SID FMI Fault Code Fault Description 1 6 311 Cylinder 1 Fault 322 Cylinder 1 Fault 7 1139 Injector Cylinder #1 2 6 315 Cylinder 2 Fault ... 4 2356 System Diagnostic Code #1 11 611 Engine Hot Shutdown 152 2 2554 System Diagnostic Code #2 7 328 Fuel Pumping Element #2 154 3 293 Auxiliary Temperature Sensor Input #1Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, or 3545 Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, or 3545 Core Issue ... Cummins® High Temp Sealant, Part Number 5362108, is the onlysealant approved toI have a 2009 ford f750 with a cummins engine. Its has the following active codes 2554 exhaust gas pressure 1 data erratic,intermittent or incorrect, 1942 crankcase pressure data erratic, intermittent or incorrect. 0452 injector metering rail1 pressure sensor circuit below normal or shorted to low source.Diagnostic Trouble Codes (DTC) Group 28 Release 2 From Build Date 1.5.2014. Engine Control Module (ECM), Diagnostic Trouble Code (DTC), Guide for 2010 Emissions - Volvo Trucks. MID 130/223 DTC Guide (Volvo Transmissions)- Volvo Trucks. Electronic Control Module (ECM), Aftertreatment Control Module (ACM), Electrcial …Certificate. 2014 Freightliner m2, 6.7 Cummins, red and yellow check. 2014 Freightliner m2 , 6.7 Cummins, red and yellow check engine light came on, truck on limp … Code 2554 cummins, 2016 international cummins engine have a code oem 1894 I did a hysteresis text it the test fail Plus another code 2554 … read more. Nich1019. Cummins/Caterpillar Techni... Vocational, Technical or Tra... 6,035 satisfied customers. Yesterday my fuel mpg was 7.2 then I stopped and fuel and., Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2554 PID: 131 SPN: 1209 FMI: 2 Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect. The exhaust gas pressure sensor is reading an erratic value at initial Key On. Verify the electronic control module (ECM) calibration is correct., whatsapp +51955515985; [email protected]; 24/7 Customer Support; Facebook-f Twitter Github Bitbucket Twitter Github Bitbucket, When Fault Code Descriptions do not provide the level of detail needed to diagnose an issue i.e. "too vague". This may also be useful in cases where multiple codes have identical fault descriptions. How to Use For example using slash notation (SA/SPN/FMI) Fault: 11/1049/3 - Pressure Sensor 1 / Analog input 1 , b6a32dfd-6e42-41d3-a205-79fa158116f2_193-t06-2554_(1) - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menu, 14 may 2014 ... Engine (Cummins) ... 2554. Exhaust Gas Pressure 1 - Data erratic, intermittent or incorrect. 729. 3. 313. Engine Intake Air Heater Driver. #1 ..., AH Cummins ISM 660 CID Diesel AP Cummins X15, Signature 915 CID Diesel AS Caterpillar C-15 (Export) 893 CID Diesel AT Caterpillar C-10, 3176 10.3L Diesel AZ International 570 / Maxxforce 9 & 10 570 CID Diesel C8 Cummins B6.7 6.7L Diesel CV Cummins ISL-G 8.9L Natural Gas MM Cummins B6.7 6.7L Diesel, Truck keeps throwing this code and only this code with out even trying to start it. Truck will Crank but not fire. in this thread in this sub-forum in the entire site. ... Originally founded for owners and enthusiasts of Cummins powered Dodge pickups, the Cummins Forum has expanded to include ALL Cummins Engine applications! Come …, CM850 and Cummins ECM. The calibration upgrade will clear the fault code and the ineffective regeneration count locking the turbo to 50%. 3. Clean the aftertreatment injector as indicated in Cummins® procedure 011-042. 4. Perform a flow and leak test on the aftertreatment injector as per Cummins® procedure 011-054. 5. Perform a stationary regen., This is an explanation on what it takes to clear fault codes 3712 and 3714 on Cummins powertrains. Our technical support services have successfully helped ma..., 1943 Critically lowered atmospheric pressure 1961 Exhaust gas recirculation temperature increased 1962 Turbine control temperature increased 1968 High temperature of ..., Diagnostic Fault Codes For Cummins Engines Applies to Engine Models QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23, QST30, QSK45/60/78 Note: These fault codes are current at date of publication. Always refer to engine service manual for the latest information related to engine diagnostics and troubleshooting., Engine Cummins QSC8.3 and QSL9 2006 Workshop Manual; Cummins Wiring Diagrams; Cummins ISX15 CM2250 4022234-04 Wiring Diagram; Cummins Power Generation PCC2100 Control System Schematic; Download Cummins ISM-QSM11 Series Engine Repair Manual; Cummins QSB4.5-CM850 ECM 4021524-02 Wiring Diagram; …, Fault Code: 132. PID (P), SID (S): P091. SPN: 91. FMI: 4/4. Lamp: RED. SRT: REASON: Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit. EFFECT: Severe derate in power output of the engine., Home / DTC TRUCKS / Cumminz / ISB6.7 CM2150 (2007-09) / Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2554 PID: 131 SPN: 1209 FMI: 2 Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect. The exhaust gas pressure sensor is reading an erratic value at initial Key On., Home / DTC TRUCKS / Cumminz / ISB4.5 CM2150 / Cummins ISB4.5 CM2150 Fault Code: 2555 PID: SPN: 729 FMI: 3 Engine Intake Air Heater 1 Circuit – Voltage Above Normal or Shorted to High Source. ... -This fault code can also be cleared with INSITE™ electronic service tool. Possible Causes, Client called in, and he had codes 3712 & 3714 active on his Cummins ISC engine. These codes are also used with other Cummins engines, and the procedure is the same. The customer had some other codes that were active previously, and had already fixed the problem. However, the truck was still derated with the codes mentioned above and he wasn't sure how to fix it. The procedure: 1) Run the ..., j1939 spn j1939 fmi diagnostic code description fault code 611 3 vgt air control shutoff circuit --shorted high 2355 611 4 vgt air control shutoff circuit --shorted low 2356 612 2 exhaust gas pressure sensor circuit --data intermittent or incorrect 2554 615 3 egr valve delta pressure sensor cir-cuit -- shorted high 2273 615 4 egr valve delta ..., Certificate. 2014 Freightliner m2, 6.7 Cummins, red and yellow check. 2014 Freightliner m2 , 6.7 Cummins, red and yellow check engine light came on, truck on limp mode, fault codes 3712spn5246, 3714spn … read more., Cummins ISB CM850 (2003-06) Fault Code: 2554 PID: 95 SPN: 1209 FMI: 2 Exhaust pressure sensor circuit - data erratic, intermittent, or incorrect. An error in, DTC: Circuit: Condition Description 111 ECM No errors detected - flash code only 112 ECM PWR Electrical system voltage B+ out-of-range high 113 ECM PWR Electrical system voltage B+ out-of-range low 114 ECT Engine Coolant Temperature signal out-of-range low 115 ECT Engine Coolant Temperature signal out-of-range high 121 MAP Intake Manifold …, 25 jun 2021 ... https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210136 ... Unit presents with a high soot load Fault Code 2639, 1921, or 1922., Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2554 PID: 131 SPN: 1209 FMI: 2 Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect. The exhaust gas pressure sensor …, Here are all the Cummins ISX codes available for the Cummins ECM. These Cummins trouble codes pertain to ISX engines built with the EGR system, but pre-DPF (2002 - 2006). Cummins ISX Codes 111-500. 111 Electronic Control Module Critical Internal Failure - Bad Intelligent Device or Component. 115 Engine Magnetic Speed/Position Lost Both of Two ... , Summary: This Technical Service Bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuum. Communication Number: TSB110181-012720, Date: 2020-01-27., Jan 17, 2021 · • Connect the recommended Cummins® electronic service tool or equivalent. Action • Use the recommended Cummins® electronic service tool or equivalent to read the fault codes. Specification Before troubleshooting this fault code, troubleshoot any fault code that is active or has more than one inactive count , Electrical VGT Actuator Problems. Hook the actuator up to the computer with it disconnected from the turbocharger and you can test it. Here are some symptoms of electrical faults: Fault Codes. Sector Gear Moves Easily. Noise Coming from Turbocharger. Low Boost. Over Boost., Fault Code: 2554 PID: P95 SPN: 1209 FMI: 2/2 LAMP: Amber SRT: ... getting a fault code on 2006 international 9900i with cummins isx. code is 128:F00 PID105_P ..., isx cummins fault codes 2374 Exhuast pressure sensor voltage low and 0482 fuel pressure low valid but below operating range ... Where is the exhaust gas press. sensor for ISX cm871, serial number 79265014 Trying to troubleshoot 2374, 2764, and 2554. ..., • Use the recommended Cummins® electronic service tool or equivalent to find the current ECM code and revision number in the ECM. • Compare the ECM code and revision number in the ECM to the calibration revisions listed in the ECM Calibration Revision History Database for applicable changes related to this fault code. , Cummins ISB CM850 (2003-06) Fault Code: 2554 PID: 95 SPN: 1209 FMI: 2 Exhaust pressure sensor circuit - data erratic, intermittent, or incorrect. An error in, 2012 Freightliner with Cummins ENG SER # 73295803 had a code 2637 DOC clogged... had had DOC and DPF cleaned, there was a lot of soot in the intake air and exhaust, the aftercooler off and had it flushed, cleaned all the intake lines, removed pipe from turbo to DOC and beat all the build up out...cleared code.. truck runs fine, test drove for an hour then did a forced regen. regened for 45 ... , 9999 Cummins Isx12 Technical Service Bulletins. Your path: TSB Home >> 9999 >> 9999 Cummins >> 9999 Cummins Isx12 The following TSB(s) may apply to your 9999 Cummins Isx12. The source of the information below is the National Highway Transportation Safety Administration (NHTSA), which maintains TSBs for vehicles sold in …