P2135 on KIA SORENTO — Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation

Q: "What does P2135 mean on a KIA SORENTO?"

"P2135 indicates: Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation. This is a powertrain code. 2 KIA SORENTO owners have reported this to NHTSA."

Q: "What are the most common causes of P2135 on KIA SORENTO?"

"Based on 2 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc),Service Brakes,Engine, Power Train,Electrical System,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints."

Q: "Is P2135 serious on my KIA SORENTO?"

"Of 2 NHTSA reports for this code on KIA SORENTO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my KIA SORENTO shows P2135?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P2135 Means on Your KIA SORENTO

P2135 is a diagnostic trouble code indicating: Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 KIA SORENTO owners have reported this issue to NHTSA across model years 2008-2009. Most reports come from the 2008, 2009 model years. The most commonly reported component is Electronic Stability Control (Esc),Service Brakes,Engine (50.0% of reports).

Real KIA SORENTO Owner Reports

Source: NHTSA Complaints Database

"2008 kia sorento start-up stalling temperamentally for three weeks. on 9/11/2012 the check engine light and esc off light appeared, followed with a "putting" engine and limp mode. the car would not accelerate when foot applied to gas pedal."

— 2008 KIA SORENTO owner · ELECTRONIC STABILITY CONTROL (ESC),SERVICE BRAKES,ENGINE · Filed 09/11/2012

"Shortly after buying suv in 2009 we experienced "querky" stuff like doors relocking, dome light s coming on, back hatch unlocking all this happening on their own!! i kept telling the dealership at oil changes! they kept ignoring it all! nov 1, 2009 kia electric system service bulletin #282603"

— 2009 KIA SORENTO owner · POWER TRAIN,ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) · Filed 08/02/2015

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1

'08

1

'09

Common Causes on KIA SORENTO

Based on NHTSA complaint component analysis for this vehicle.

ELECTRONIC STABILITY CONTROL (ESC),SERVICE BRAKES,ENGINE 50%

POWER TRAIN,ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P2135 mean on a KIA SORENTO? ▾

P2135 indicates: Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation. This is a powertrain code. 2 KIA SORENTO owners have reported this to NHTSA.

What are the most common causes of P2135 on KIA SORENTO? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc),Service Brakes,Engine, Power Train,Electrical System,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints.

Is P2135 serious on my KIA SORENTO? ▾

Of 2 NHTSA reports for this code on KIA SORENTO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my KIA SORENTO shows P2135? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.