U0402 on JEEP CHEROKEE — Invalid Data Received From TCM

Q: "What does U0402 mean on a JEEP CHEROKEE?"

"U0402 indicates: Invalid Data Received From TCM. This is a network communication code. 11 JEEP CHEROKEE owners have reported this to NHTSA."

Q: "What are the most common causes of U0402 on JEEP CHEROKEE?"

"Based on 11 NHTSA reports, the most commonly cited components are: Engine, Power Train, Power Train,Electrical System. These percentages are based on the component field in owner complaints."

Q: "Is U0402 serious on my JEEP CHEROKEE?"

"Of 11 NHTSA reports for this code on JEEP CHEROKEE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my JEEP CHEROKEE shows U0402?"

"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 U0402 Means on Your JEEP CHEROKEE

U0402 is a diagnostic trouble code indicating: Invalid Data Received From TCM. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

11 JEEP CHEROKEE owners have reported this issue to NHTSA across model years 2014-2017. Most reports come from the 2014, 2015 model years.

Real JEEP CHEROKEE Owner Reports

Source: NHTSA Complaints Database

"Follow up of complaint tracking # 11665800 and 11667793. My Cherokee 2014 has DTC U0402 since 2018. Jeep does not want to do a recall for change of transmission for my car."

— 2014 JEEP CHEROKEE owner · ENGINE · Filed 09/04/2018

"This is an addendum to complain number 11665800 I would like NHTSA do a recall for the transmission of my Jeep Cherokee 2014. I read an Article by Clifford Atiyeh, published on 07/08/2019 titled: Jeep recalls 2014 Cherokee again as ZF Nine-Speed Transmission Problems continue."

— 2014 JEEP CHEROKEE owner · ENGINE · Filed 09/04/2018

"Car bought new on 2014. On 2018 car started to show engine light to illuminate on and off. Jeep technician comply with recalls, and did not change transmission despite DTC U0402 was there all the time, and car was under warranty."

— 2014 JEEP CHEROKEE owner · POWER TRAIN,ELECTRICAL SYSTEM · Filed 09/04/2018

"Transmission issue causing a serious safety issue. while braking the vehicle has an acceleration surge. it also does this while coasting and the transmission goes into a downshift. there are also issues with it shifting in several gears. there is a check engine light on u0402."

— 2014 JEEP CHEROKEE owner · POWER TRAIN,VEHICLE SPEED CONTROL · Filed 07/07/2018

"I didn't know just how quirkily sensitive this vehicle would become to starting off; especially after fca started recalls for transmission software updates. this (r01) was completed on the vehicle, (march 2015 at 17,399 miles)."

— 2014 JEEP CHEROKEE owner · POWER TRAIN · Filed 04/26/2016

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

📊 Complaint Trend by Model Year

6

'14

4

'15

1

'17

Common Causes on JEEP CHEROKEE

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 36.4%

POWER TRAIN 18.2%

POWER TRAIN,ELECTRICAL SYSTEM 9.1%

POWER TRAIN,VEHICLE SPEED CONTROL 9.1%

ENGINE and ENGINE COOLING,POWER TRAIN,ELECTRICAL SYSTEM 9.1%

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 U0402 mean on a JEEP CHEROKEE? ▾

U0402 indicates: Invalid Data Received From TCM. This is a network communication code. 11 JEEP CHEROKEE owners have reported this to NHTSA.

What are the most common causes of U0402 on JEEP CHEROKEE? ▾

Based on 11 NHTSA reports, the most commonly cited components are: Engine, Power Train, Power Train,Electrical System. These percentages are based on the component field in owner complaints.

Is U0402 serious on my JEEP CHEROKEE? ▾

Of 11 NHTSA reports for this code on JEEP CHEROKEE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my JEEP CHEROKEE shows U0402? ▾

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.

U0402 on Other Vehicles

→ All codes reported on JEEP CHEROKEE