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U1504 Network · manufacturer code

U1504 fault code: what 6 owners reported

U1504 is a manufacturer-specific network code (network: communication between the car's control modules), so its exact definition belongs to the carmaker and is not in the generic OBD-II list. What it meant in practice is below, from 6 complaints owners filed with NHTSA. Updated November 9, 2026.

  • 6owner reports
  • 2car models
  • 0mention a crash
  • 0mention a fire
  • 2015–2016model years

Which cars get code U1504?

Every model whose owners mentioned U1504 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 U1504 show up?

By brand

  • Chrysler4
  • Jeep2

Component the owner filed it under

  1. Electrical System3 (50%)
  2. Air Bags3 (50%)
  3. Power Train2 (33.3%)
  4. Engine2 (33.3%)
  5. Electronic Stability Control (ESC)2 (33.3%)
  6. Steering1 (16.7%)

Is there a recall for U1504?

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

Electrical System: Wiring: Rear Compartment/TrunkPark outside Chrysler (FCA US, LLC) is recalling certain 2014-2016 Jeep Cherokee vehicles equipped with a power liftgate. An electrical short in the power liftgate module may lead to a vehicle fire with the ignition on or off. NHTSA campaign 23V338000 · May 11, 2023 · Affected cars

2015 Jeep Cherokee. Full risk and remedy on each car's report.

Electrical System: Wiring Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler… NHTSA campaign 18V332000 · May 17, 2018 · Affected cars

2015 Chrysler 200, 2016 Chrysler 200, 2015 Jeep Cherokee. Full risk and remedy on each car's report.

Electrical System: Wiring: Rear Compartment/Trunk Chrysler (FCA US LLC) is recalling certain model year 2015-2016 Jeep Cherokee vehicles manufactured February 18, 2015, to September 10, 2015 and equipped with the power liftgate option. In the affected vehicles, water may leak into the Power Liftgate Control Module and result in a high resistance… NHTSA campaign 15V826000 · December 9, 2015 · Affected cars

2015 Jeep Cherokee. Full risk and remedy on each car's report.

Electrical System Chrysler (FCA US LLC) is recalling certain model year 2015 Chrysler 200 vehicles manufactured January 7, 2014, to September 23, 2014. The affected vehicles may have a Power Distribution Center (PDC) electrical connector that may cause intermittent power failures to certain electrical components. NHTSA campaign 15V470000 · July 28, 2015 · Affected cars

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

Electrical System: Wiring Chrysler Group LLC (Chrysler) is recalling certain model year 2015 Chrysler 200 vehicles manufactured May 19, 2014, to June 21, 2014. The affected vehicles may have been built with a driver side door wiring harness of an insufficient wire gauge, resulting in excessive heat which may melt the wiring… NHTSA campaign 14V480000 · August 5, 2014 · Affected cars

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

What happened when owners saw U1504?

6 of the 6 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 SEAT BELT INDICATOR STAYS ON. CODE U0001 ONLY OCCURRED AT IN & OUT INSPECTIONS. CODE U1504 STEERING ANGLE SENSOR 3/2020.
2016 Chrysler 200Steering, Air Bags, Electronic Stability Control (ESC)NHTSA complaint 11321677 · Apr 20, 2020
CHECK ENGINE LIGHT COMES ON, CODES ARE U1504, U1412, U0001, U1110, U1120, WILL NOT SHIFT, 4WD TEMPORARY UNAVAILABLE MESSAGE COMES ON , STABILITY TRACTION LIGHT COMES ON, ALL SHIFTER GEAR LIGHTS ARE ON, THIS HAD HAPPENED 7 TIMES SINCE I PURCHASED THIS JEEP, ENGINE HAS CUT A COUPLE OF TIMES DURING ALL OF THESE ISSUES!
2015 Jeep CherokeePower Train, Electrical System, EngineNHTSA complaint 11155145 · Nov 30, 2018
AFTER REACHING 75,000 MILES, MY CAR STARTED TO STALL AND TURN OFF BY ITSELF WHILE DRIVING. I PERFORMED AN OIL CHANGE, MADE SURE ALL THE MAINTENANCE WAS UP TO DATE, ETC. IT HAS A NEW BATTERY LESS THAN A YEAR OLD, NEW TIRES, ETC. EVENTUALLY IT STALLED AND SHUT OFF ON ITS OWN WHILE STOPPED AND WOULD NOT TURN BACK ON. EVERY TIME I TRY TO TURN IT BACK ON, IT STALLS AND SHUTS OFF BUT THE SHIFTER LIGHTS BLINK REPEATEDLY. I HAVE A CODE THAT APPEARED ON A MECHANIC'S CODE READER WHICH WAS U1504. HE COULD NOT DIAGNOSE IT. CHRYSLER WOULD NOT LOOK AT IT AND WANTED $125 JUST TO DO DIAGNOSTICS. I JUST WANTED TO KNOW IF THIS WAS ONE OF THE RECALLED ISSUES AS I KNOW THEY HAVE BEEN HAVING ENGINE AND…
2015 Chrysler 200Electrical System, Unknown Or Other, EngineNHTSA complaint 11277344 · Oct 31, 2019
…MADE IT HOME SAFE.TRANS TEMP REACHED OVER 258 DEG, DOESNT ACCELERATE PROPERLY & LUNGES ALL THE TIME.EVERYTIME THE GEAR IS SHIFTED IT TAKES 5 SEC TO ENGAGE & LUNGES AGAIN W/ VERY LOUD KNOCKING SOUND AFTER IT ENGAGES.ERROR CODES SHOWED UP ON THE READER: U1504 INTAKE CONTROL MODULE MAL, P061B INTERNAL CONTROL MODULE CALCULATION PERFORMNCE, U0140 LOST COMM W/ BODY CNTRL MODULE, P07D9, P10A1 ABNORMAL OIL PUMP VOLT/OVRHEAT, & P1DAF.I DIDNT DRIVE THE CAR AFTER THAT & CALLED UP NEAREST DEALER IN VENTURA CA.ADVISOR SCHEDULED AN APPOINTMENT AFTER TELLING THEM WHAT HAPPENED.16MAR15, BROUGHT THE CAR TO THE DEALER IN VENTURA TO HAVE IT INSPECTED W/ THE PROBLEMS THAT I HAVE PROVIDED & LEFT THE CAR W/ 4375…
2015 Jeep CherokeePower Train, Air BagsNHTSA complaint 10711861 · Apr 21, 2015
CHECK ENGINE LIGHT CAME ON. HAD VEHICLE CHECK AND GOT A CODE. U1504 IMPLAUSIBLE MESSAGE DATA LENGTH RECEIVED FROM STEERING ANGLE SENSOR. AIRBAG CLOCKSPRING NEEDS TO BE REPLACE BECAUSE AIRBAD MAY NOT DOPLOY DURING AN ACCIDENT. WAS TOLD TO CONTACT THE DEALERSHIP TO SEE IF THERE WAS A RECALL. THERE IS NOT AT THIS TIME. THIS IS A DEFECTIVE PART OF THE SAFTEY SYSTEM ON THE CAR AND THEY DO NOT WANT TO COVER IT.
2015 Chrysler 200Electrical System, Air BagsNHTSA complaint 11266521 · Oct 5, 2019
THE VEHICLE WAS DIAGNOSED BY 2 DIFFERENT REPAIR SHOPS WITH THE FOLLOW CODES: U1504, P0610, P1500, U0420, C0051, C212A, U0402, C1246. ULTIMATELY, THE PDC (POWER DISTRIBUTION CENTER) IS NOT WORKING. THERE HAVE ALREADY BEEN SEVERAL RECALLS ON THIS ISSUE WITH THIS VEHICLE AND THE RECALL DATES DO NOT REACH OUR VEHICLES MANUFACTURED DATE BY A MONTH. THE DEALERSHIP IS REFUSING TO COOPERATE AND HELP WITH NOTIFYING YOU OF THIS ISSUE THAT IS AFFECTING MORE CONSUMERS THAN YOU ARE UNDER THE IMPRESSION. PLEASE RESPOND TO THIS IN A TIMELY MANOR. MY HUSBANDS VEHICLE WILL NOT BE USABLE UNTIL THIS IS SETTLED.
2015 Chrysler 200Electronic Stability Control (ESC)NHTSA complaint 11243870 · Aug 14, 2019

U1504: questions drivers ask

What does code U1504 mean?

U1504 is a manufacturer-specific network code (network: communication between the car's control modules), so its exact definition depends on the carmaker and is not in the generic OBD-II list. 6 owners reported it to NHTSA, most often for the Chrysler 200 (4), Jeep Cherokee (2); their reports describe what happened.

Which cars get code U1504 most often?

In NHTSA owner complaints, U1504 is mentioned most for the Chrysler 200 (4), Jeep Cherokee (2), across 2 models and model years 2015 to 2016. Popular models collect more reports because more of them are on the road.

Is there a recall for code U1504?

No NHTSA recall text names U1504 directly. 5 recalls on the cars that report this code concern the same component owners name most (Electrical System); they may or may not relate to the code. Check your VIN at nhtsa.gov/recalls.

What should I do if my car shows U1504?

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 U1504. Manufacturer codes have no public standard definition, so CarHooq shows only what owners reported. 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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