P2138 on CHEVROLET TRAVERSE — Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation

Q: "What does P2138 mean on a CHEVROLET TRAVERSE?"

"P2138 indicates: Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation. This is a powertrain code. 5 CHEVROLET TRAVERSE owners have reported this to NHTSA."

Q: "What are the most common causes of P2138 on CHEVROLET TRAVERSE?"

"Based on 5 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc), Electronic Stability Control (Esc),Engine, Engine And Engine Cooling,Power Train,Vehicle Speed Control,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints."

Q: "Is P2138 serious on my CHEVROLET TRAVERSE?"

"Of 5 NHTSA reports for this code on CHEVROLET TRAVERSE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET TRAVERSE shows P2138?"

"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 P2138 Means on Your CHEVROLET TRAVERSE

P2138 is a diagnostic trouble code indicating: Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

5 CHEVROLET TRAVERSE owners have reported this issue to NHTSA across model years 2012-2016. Most reports come from the 2013, 2016 model years.

Real CHEVROLET TRAVERSE Owner Reports

Source: NHTSA Complaints Database

"As i was driving the truck started flashing several warnings and the check engine light came on. the car would also not accelerate higher than about 20mph. the errors mentioned stabilitrack needs service, engine power reduced, traction control off and others."

— 2012 CHEVROLET TRAVERSE owner · ELECTRONIC STABILITY CONTROL (ESC) · Filed 02/17/2016

"I was driving when my check engine light came on. i got an error message for loss of traction control and service stabilitrack. additional message, engine power reduced but was still able to drive but at a decreased speed."

— 2013 CHEVROLET TRAVERSE owner · ELECTRONIC STABILITY CONTROL (ESC),ENGINE · Filed 11/27/2015

"Traveling at roughly 55mph the vehicle started beeping. the car controls began to become hard to steer and without warning the speed in seconds slowed to 15-20 mph."

— 2013 CHEVROLET TRAVERSE owner · ENGINE AND ENGINE COOLING,POWER TRAIN,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) · Filed 04/30/2015

"Stabilitrack message comes on and reduced power for no reason. loses power instantly and have to pull over. turns back on and check engine light still on, but can drive as normal until i turn it off and who knows when it comes back."

— 2016 CHEVROLET TRAVERSE owner · ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) · Filed 03/15/2018

"2016 chevy traverse engine traction control, stabiltrak problem. engine light came on, display stated reduce speed to 25 mph and the above warning flashed on the dash display. the car lost acceleration power. it happened twice in about a two week period."

— 2016 CHEVROLET TRAVERSE owner · POWER TRAIN,ENGINE · Filed 12/27/2017

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

📊 Complaint Trend by Model Year

1

'12

2

'13

2

'16

Common Causes on CHEVROLET TRAVERSE

Based on NHTSA complaint component analysis for this vehicle.

ELECTRONIC STABILITY CONTROL (ESC) 20%

ELECTRONIC STABILITY CONTROL (ESC),ENGINE 20%

ENGINE and ENGINE COOLING,POWER TRAIN,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 20%

ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 20%

POWER TRAIN,ENGINE 20%

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 P2138 mean on a CHEVROLET TRAVERSE? ▾

P2138 indicates: Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation. This is a powertrain code. 5 CHEVROLET TRAVERSE owners have reported this to NHTSA.

What are the most common causes of P2138 on CHEVROLET TRAVERSE? ▾

Based on 5 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc), Electronic Stability Control (Esc),Engine, Engine And Engine Cooling,Power Train,Vehicle Speed Control,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints.

Is P2138 serious on my CHEVROLET TRAVERSE? ▾

Of 5 NHTSA reports for this code on CHEVROLET TRAVERSE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET TRAVERSE shows P2138? ▾

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.