Fault Code Lookup › Powertrain codes › P0934

P0934 Powertrain · generic OBD-II

Hydraulic Pressure Sensor Circuit Low

P0934 is a standard code covering engine, transmission, fuel and emissions. It names the system that logged the fault, not the part that failed. Below: which cars owners reported it on, what happened, and recalls on those cars, from 4 complaints filed with NHTSA. Updated November 9, 2026.

  • 4owner reports
  • 2car models
  • 0mention a crash
  • 0mention a fire
  • 2014–2021model years

Which cars get code P0934?

Every model whose owners mentioned P0934 in a complaint, most reports first. Each year opens that car's full problem report. Popular models collect more reports because more of them are on the road.

Where does P0934 show up?

By brand

  • Jeep3
  • Chrysler1

Component the owner filed it under

  1. Power Train4 (100%)
  2. Electrical System3 (75%)
  3. Engine2 (50%)
  4. Air Bags1 (25%)

Is there a recall for P0934?

The others concern the component owners file this code under (Power Train) on the same cars; they may or may not relate to the code. Recall repairs are free; check your VIN at nhtsa.gov/recalls.

Power Train Chrysler (FCA US LLC) is recalling certain 2019-2023 Jeep Cherokee vehicles. The power transfer unit (PTU) may fail. NHTSA campaign 26V290000 · May 7, 2026 · Affected cars

2021 Jeep Cherokee, 2020 Jeep Cherokee. Full risk and remedy on each car's report.

Power Train: Automatic Transmission: Cooler/Radiator: Hoses And Fittings Chrysler (FCA US LLC) is recalling certain 2021 Jeep Cherokee vehicles. The transmission oil cooler hose may have been incorrectly cured, allowing transmission fluid to leak. NHTSA campaign 21V310000 · May 4, 2021 · Affected cars

2021 Jeep Cherokee. Full risk and remedy on each car's report.

Power Train: Driveline: Differential Unit Chrysler (FCA US LLC) is recalling certain 2014-2017 Jeep Cherokee vehicles equipped with a two-speed Power Transfer Unit (PTU). Relative movement in the Power Transfer Unit (PTU) between the differential input splines and the transmission output shaft may cause some input spline teeth to wear off… NHTSA campaign 20V343000 · June 11, 2020 · Affected cars

2014 Jeep Cherokee. Full risk and remedy on each car's report.

Power Train: Automatic Transmission Chrysler (FCA US LLC) is recalling certain 2014 Jeep Cherokee vehicles equipped with 3.2L engines. In the event that a clutch becomes stuck in the transmission, the transmission software may shift the transmission to neutral. NHTSA campaign 19V447000 · June 13, 2019 · Affected cars

2014 Jeep Cherokee. Full risk and remedy on each car's report.

Power Train: Automatic Transmission Chrysler (FCA US LLC) is recalling certain model year 2014-2015 Jeep Cherokee and 2015 Chrysler 200, Jeep Renegade, RAM ProMaster, and 2016 Fiat 500X vehicles equipped with 9-speed automatic transmissions. The transmission sensor clusters may have insufficient crimps in the transmission wire… NHTSA campaign 16V529000 · July 12, 2016 · Affected cars

2014 Jeep Cherokee, 2015 Chrysler 200. Full risk and remedy on each car's report.

Power Train: Automatic Transmission Chrysler (FCA US LLC) is recalling certain model year 2015 Chrysler 200 vehicles manufactured March 9, 2014, to December 15, 2014, and equipped with a 9-speed automatic transmission. The automatic transmission parking pawl may become contaminated or the park rod may become dislodged or broken. This… NHTSA campaign 15V090000 · February 13, 2015 · Affected cars

2015 Chrysler 200. Full risk and remedy on each car's report.

What happened when owners saw P0934?

4 of the 4 reports, spread across the models above, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.

The vehicle was sold by DriveTime (Highland, Indiana) on August 29, 2025, with a known safety recall (Y18 – Transmission Oil Cooler Hose, NHTSA 21V-310) that had not been properly repaired. Jeep dealership documentation dated October 17, 2025, shows the recall was only “inspected” but no repair was completed. Within 30 days of purchase, the check engine light began turning on and off intermittently, and an AutoZone diagnostic (Code P0934 – Hydraulic Pressure Sensor Circuit Low) confirmed a powertrain failure related to the transmission system. The defect affects hydraulic pressure and gear shifting, creating an unsafe driving condition that risks transmission failure while in motion. The…
2021 Jeep CherokeePower Train, Electrical System, EngineNHTSA complaint 11694625 · Oct 20, 2025
The Car Has the error code P0934 which the car goes into limp Mode when i was on the highway way making me almost crash.
2015 Chrysler 200Power Train, Electrical System, Air BagsNHTSA complaint 11518562 · Apr 23, 2023
My Jeep keeps going into Limp Mode and not will completely shut off while I come to a complete stop at a stop light. And while I’m driving the engine light comes on. I can cycle it through to get the engine light off. Then it runs fine. This has been happening since after I bought it. I’ve taken back to the dealership I got it from and they couldn’t find anything wrong with it, so they took it to a Jeep dealership and got the same answer. Clearly there is something wrong with it. And could cause me to get into an accident. This is my only vehicle for transportation. The code that shows up is P0934
2020 Jeep CherokeePower Train, Electrical System, EngineNHTSA complaint 11673210 · Jul 13, 2025
SERVICE TRANSMISSION CODE P0934. SOMETIMES IT'LL RUN JUST FINE NO PROBLEMS. OTHER TIMES I HAVE TO START AND TURN IT OFF SEVERAL TIMES BEFORE THE TRANSMISSION WILL WORK PROPERLY. AFTER THIS STARTED HAPPENING THE INFO CENTER STARTED DISPLAYING SERVICE SHIFTER. NO ONE WILL DIAGNOSE THE ISSUE AND CHRYSLER WANTS TO REPLACE THE TRANSMISSION AT COST TO ME BECAUSE THEY DON'T WORK ON THEM, THEY REPLACE THEM. *TR
2014 Jeep CherokeePower TrainNHTSA complaint 11325226 · May 19, 2020

P0934: questions drivers ask

What does code P0934 mean?

P0934 is a generic OBD-II powertrain code. Its standard definition is "Hydraulic Pressure Sensor Circuit Low". The code tells you which system set the fault, not which part failed; the owner reports on this page show what it meant in practice for 2 car models.

Which cars get code P0934 most often?

In NHTSA owner complaints, P0934 is mentioned most for the Jeep Cherokee (3), Chrysler 200 (1), across 2 models and model years 2014 to 2021. Popular models collect more reports because more of them are on the road.

Is there a recall for code P0934?

No NHTSA recall text names P0934 directly. 6 recalls on the cars that report this code concern the same component owners name most (Power Train); they may or may not relate to the code. Check your VIN at nhtsa.gov/recalls.

What should I do if my car shows P0934?

Write down when the code appeared and what the car did (warning lights, loss of power, noises, speed, weather). Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer or independent workshop to read the stored freeze-frame data before anyone clears the code, and keep the repair order. If the car loses power in traffic, stop driving it. CarHooq does not diagnose: these are owner reports and official recall notices, not repair advice.

How this page was made

CarHooq read the text of every owner complaint filed with NHTSA for 19 US and European brands (model years 2012 onwards) and picked out the diagnostic trouble codes owners wrote down. This page lists every mention of P0934. The definition is the generic SAE J2012 wording; a carmaker may use the code slightly differently. Nothing here is a diagnosis. More answers: the fault code FAQ. Data: NHTSA Office of Defects Investigation (public domain), retrieved November 9, 2026. How CarHooq reports are made.

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