Fault Code Lookup › Powertrain codes › P3055

P3055 Powertrain · generic range, no listed definition

P3055 fault code: what 5 Chevrolet owners reported

P3055 sits in the generic powertrain range (engine, transmission, fuel and emissions), but its SAE definition is not in CarHooq's list, so this page shows only what owners reported. What it meant in practice is below, from 5 complaints owners filed with NHTSA. Updated November 9, 2026.

  • 5owner reports
  • 6car models
  • 0mention a crash
  • 0mention a fire
  • 2016–2020model years

Which cars get code P3055?

Every model whose owners mentioned P3055 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 P3055 show up?

By brand

  • Chevrolet5

Component the owner filed it under

  1. Electrical System3 (60%)
  2. Electronic Stability Control (ESC)2 (40%)
  3. Engine2 (40%)
  4. Power Train2 (40%)
  5. Steering1 (20%)
  6. Service Brakes1 (20%)

Is there a recall for P3055?

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: Ignition General Motors LLC (GM) is recalling certain model year 2016-2017 Buick Verano and 2016 Chevrolet Malibu as the electronic park lock lever may allow the ignition key to be removed without the transmission being in PARK. Also, certain 2013 Buick Encore, 2011 Buick Regal, 2013-2014 Buick Verano… NHTSA campaign 16V502000 · July 5, 2016 · Affected cars

2016 Chevrolet Malibu. Full risk and remedy on each car's report.

Electrical System: Software Genera Motors LLC (GM) is recalling certain model year 2016 Chevrolet Camaro, Malibu, Silverado and GMC Sierra vehicles. The radio may intermittently fail to provide an audio warning when the key has been left in the ignition and the door is opened or when the driver does not fasten their seat belt… NHTSA campaign 16V084000 · February 11, 2016 · Affected cars

2016 Chevrolet Malibu. Full risk and remedy on each car's report.

What happened when owners saw P3055?

5 of the 5 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.

…A previously stored DTC P3055 was found in the diagnostic system. This code relates to a known and documented issue with Chevrolet Equinox vehicles, for which Chevrolet has issued multiple Technical Service Bulletins, including TSB 21-NA-139, which identifies the Multifunction Power Supply Converter (GM Part #13510484) as the known culprit for this failure mode. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
2020 Chevrolet EquinoxSteering, Power Train, Service BrakesNHTSA complaint 11737381 · May 12, 2026
I CAME TO A RED LIGHT THE CAR WENT INTO AUTO STOP MODE, THE BRAKES STARTED LOOSING PRESSURE I LET OFF OF THE BRAKES IT CONTINUED TO ROLL BACKWARDS ALMOST HITTING THE CAR BEHIND ME THEN IT FINALLY KICKED INTO GEAR AND SAID SERVICE STABILITRAK AND AND ALSO SAID POWER ASSIST REDUCED DRIVE WITH CARE THEN HAD THE CODES P3055 AND P3056 AND THE CAR HAS 100,000 MILES AND IS SERVICED REGULARLY
2016 Chevrolet ImpalaPower Train, Electrical System, Electronic Stability Control (ESC)NHTSA complaint 11355156 · Sep 15, 2020
…on morning start-up there's an absurd amount of exhaust coming into the cabin area, the codes [P3055 and P3056] are registered from the computer of vehicle. Now the smell of fuel is blowing through all vents whenever the defrost is running or all vents are used front and rear, with the truck in motion. It was so bad today that my entire family had to pull over to a gas station and get fresh air our eyes were burning and my [XXX] son nose started to bleed., so that's two parents and 6 children scrambling for safety. This is our only reliable vehicle other than an old 99 suburban that is hardly even road worthy anymore. I spoke with several people that have purchased vehicles and all agreed…
2020 Chevrolet TraverseSuspension, Engine, Fuel/Propulsion SystemNHTSA complaint 11635767 · Jan 13, 2025
I RECENTLY PURCHASED A VEHICLE AT FELDMAN CHEVROLET IN NEW HUDSON MI ( LOCATED AT 30400 LYON CENTER DRIVE E, NEW HUDSON< MI 48165 : 248-573-0321 ) I PURCHASED A 2018 CHEVY EQUINOX ( VIN [XXX] ) THE WEEK OF THANKSGIVING 2017 I WAS DRIVING THE VEHICLE ON THURSDAY 2/15/2018 WHEN MY SOLID STATE CHECK ENGINE LIGHT ILLUMINATED. I IMMEDIATE HIT THE ONSTAR AND THEY GAVE ME A CODE OF P3055 AND TOLD ME TO TAKE TO THE DEALER WITHIN 7 DAYS. . I WAS TOLD IT WAS A ' VOLTAGE COMMUNICATION ' ISSUE AND THAT I SHOULD BE ALL SET, IT WAS RESOLVED. THE FOLLOWING 2/21/2018, WHILE OUT AT LUNCH DURING MY WORK DAY, THE SOLID STATE CHECK ENGINE LINE ILLUMINATED YET A 2ND TIME. THIS TIME THEY SAID MY VEHICLE NEEDED A…
2018 Chevrolet EquinoxElectrical System, Electronic Stability Control (ESC), EngineNHTSA complaint 11081116 · Mar 23, 2018
…P3055 AND P3056 ARE THE ERROR CODES THAT COME UP EVERY TIME. NEW BATTERY, NEW VCM, NEW WIRING HARNESS....EACH TIME THE PROBLEM GOT WORSE UNTIL IT COMPLETELY STOPPED RUNNING. NO RECALL AND THE CAR IS OUT OF WARRANTY SO CHEVY IS NOT WILLING TO HELP AT ALL.
2016 Chevrolet ImpalaElectrical SystemNHTSA complaint 11244609 · Aug 17, 2019

P3055: questions drivers ask

What does code P3055 mean?

P3055 sits in the generic powertrain range (engine, transmission, fuel and emissions), but its SAE definition is not in CarHooq's list, so CarHooq shows only what owners reported. 5 owners reported it to NHTSA, most often for the Chevrolet Equinox (2), Chevrolet Impala (2), Chevrolet Impala Limited (2); their reports describe what happened.

Which cars get code P3055 most often?

In NHTSA owner complaints, P3055 is mentioned most for the Chevrolet Equinox (2), Chevrolet Impala (2), Chevrolet Impala Limited (2), across 6 models and model years 2016 to 2020. Popular models collect more reports because more of them are on the road.

Is there a recall for code P3055?

No NHTSA recall text names P3055 directly. 2 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 P3055?

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 P3055. The code is in a generic range but its standard definition is not in CarHooq's list, 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.

Is something missing or wrong on this page? Tell CarHooq. One line is enough; every message is read.

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