U0420 on CHEVROLET COLORADO — Invalid Data Received From Power Steering Control Module A

Q: "What does U0420 mean on a CHEVROLET COLORADO?"

"U0420 indicates: Invalid Data Received From Power Steering Control Module A. This is a network communication code. 7 CHEVROLET COLORADO owners have reported this to NHTSA."

Q: "What are the most common causes of U0420 on CHEVROLET COLORADO?"

"Based on 7 NHTSA reports, the most commonly cited components are: Steering,Electronic Stability Control (Esc), Steering, Steering,Electrical System,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints."

Q: "Is U0420 serious on my CHEVROLET COLORADO?"

"Of 7 NHTSA reports for this code on CHEVROLET COLORADO, 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 COLORADO shows U0420?"

"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 U0420 Means on Your CHEVROLET COLORADO

U0420 is a diagnostic trouble code indicating: Invalid Data Received From Power Steering Control Module A. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

7 CHEVROLET COLORADO owners have reported this issue to NHTSA across model years 2015-2016. Most reports come from the 2015, 2016 model years. The most commonly reported component is Steering,Electronic Stability Control (Esc) (42.9% of reports).

Real CHEVROLET COLORADO Owner Reports

Source: NHTSA Complaints Database

"Power steering on my 2015 chevy colorado as well as stable track goes out intermittently. it can happen when i'm driving or starting the car. turning the vehicle off and on again usually fixes the issue temporarily."

— 2015 CHEVROLET COLORADO owner · STEERING,ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) · Filed 06/26/2019

"Tl* the contact owns a 2015 chevrolet colorado. while driving various speeds, the steering wheel seized and the power steering warning indicator illuminated. the contact was able to coast the vehicle to the side of the road and powered off the engine."

— 2015 CHEVROLET COLORADO owner · STEERING · Filed 07/11/2018

"See complaint number: 11091275 for background. 23 mar 18: on the way to the dealer the truck had no problem with power steering.(oreilly chevrolet in tucson, az) and explained them the situation. the dealer test drove the vehicle and had no loss of ps."

— 2015 CHEVROLET COLORADO owner · STEERING,ELECTRONIC STABILITY CONTROL (ESC) · Filed 03/23/2018

"22 mar 18: while driving my colorado lt at 30mph, warning light came on, with the message: 'service power steering (ps), drive with care'. i cleared the message and another message came on: 'service stabilitrak'. i went to work and parked it and 3 hours later, steering was normal."

— 2015 CHEVROLET COLORADO owner · STEERING,ELECTRONIC STABILITY CONTROL (ESC) · Filed 03/22/2018

"While driving the power steering failed and the stabilitrack failed. The failure codes are C0545 and U0420 indicating a steering wheel torque sensor malfunction which was also a failure that prompted a recall on the 2015 chevrolet colorado."

— 2016 CHEVROLET COLORADO owner · STEERING · Filed 06/06/2025

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

📊 Complaint Trend by Model Year

4

'15

3

'16

Common Causes on CHEVROLET COLORADO

Based on NHTSA complaint component analysis for this vehicle.

STEERING,ELECTRONIC STABILITY CONTROL (ESC) 42.9%

STEERING 28.6%

STEERING,ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) 14.3%

STEERING,ELECTRICAL SYSTEM,SERVICE BRAKES 14.3%

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 U0420 mean on a CHEVROLET COLORADO? ▾

U0420 indicates: Invalid Data Received From Power Steering Control Module A. This is a network communication code. 7 CHEVROLET COLORADO owners have reported this to NHTSA.

What are the most common causes of U0420 on CHEVROLET COLORADO? ▾

Based on 7 NHTSA reports, the most commonly cited components are: Steering,Electronic Stability Control (Esc), Steering, Steering,Electrical System,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints.

Is U0420 serious on my CHEVROLET COLORADO? ▾

Of 7 NHTSA reports for this code on CHEVROLET COLORADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET COLORADO shows U0420? ▾

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.

U0420 on Other Vehicles

→ All codes reported on CHEVROLET COLORADO