Fault Code Lookup › Powertrain codes › P2534
P2534 Powertrain · generic OBD-II
Ignition Switch Run/Start Position Circuit Low
P2534 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 3 complaints filed with NHTSA. Updated November 9, 2026.
- 3owner reports
- 4car models
- 0mention a crash
- 0mention a fire
- 2015–2024model years
Which cars get code P2534?
Every model whose owners mentioned P2534 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 P2534 show up?
By brand
- GMC2
- Chevrolet1
Component the owner filed it under
Is there a recall for P2534?
As of November 9, 2026, no NHTSA recall on the cars reporting P2534 names this code or its most-reported component. Recalls can be issued at any time: check your VIN at nhtsa.gov/recalls.
What happened when owners saw P2534?
3 of the 3 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 Service 4WD light is the following DTC’s set: SwitchCircuitsetintheTCM • P0700:TransmissionControlModuleRequestedMILIllumination • P2534:IgnitionOn/StartSwitchCircuitLowVoltagesetintheECM On the pdf i have that’s exactly what happend with me
TRUCK LOCKED INTO LIMP MODE SUDDENLY ONE DAY AND THE CHECK ENGINE LIGHT CAME ON. THE TRUCK WAS THEN STUCK IN ONE GEAR. TOOK IT TO A MECHANIC IMMEDIATELY WHO REPLACED THE FUSE BOX AFTER FINDING IT BURNT OUT. FAST FORWARD A MONTH LATER, SAME ISSUE OCCURS ON THE ROAD. BOTH ISSUES OCCURRED WHILE ACCELERATING DURING A TURN. TOOK TO MECHANIC AGAIN TO FIND TCM FUSE BURNT OUT AND CODES P0700 AND P2534 PRESENT. MECHANIC REPLACED FUSE AND STRETCHED OUT WIRE BUNDLE TO SEE IF WIRING WAS AN ISSUE. MECHANIC ALSO TOOK THE TRUCK ON A ROAD TEST TO TRY TO DUPLICATE THE ISSUE TO NO AVAIL. AS OF NOW THE TRUCK IS WORKING AFTER THE FUSE WAS REPLACED, HOWEVER IT MAY HAPPEN AGAIN IN THE FUTURE. *TR
This is a Post-Remedy Failure of Recall 25V-274 (GMC 6.2L L87 Engine). Following a full engine replacement performed by the dealer under this safety recall, the vehicle has suffered a catastrophic electrical compromise. The vehicle is currently throwing codes P2534 (Low Ignition Voltage) and U3018 (BCM Communication). Safety Hazards: The vehicle experiences sudden loss of power, engine stalling at highway speeds, and total failure of the exterior turn signals (hyper-flash). The AC system has been disabled by the Body Control Module due to low voltage, creating a hazard in high temperatures. This vehicle fits the exact profile of NHTSA Recall Query RQ26-001 and Engineering Analysis EA25-007…
P2534: questions drivers ask
What does code P2534 mean?
P2534 is a generic OBD-II powertrain code. Its standard definition is "Ignition Switch Run/Start Position 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 4 car models.
Which cars get code P2534 most often?
In NHTSA owner complaints, P2534 is mentioned most for the Chevrolet Suburban (1), GMC Canyon (1), GMC Yukon (1), across 4 models and model years 2015 to 2024. Popular models collect more reports because more of them are on the road.
Is there a recall for code P2534?
As of November 2026, no NHTSA recall on the cars reporting P2534 names this code or its most-reported component. Recalls can be issued at any time, so check your VIN at nhtsa.gov/recalls.
What should I do if my car shows P2534?
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 P2534. 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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