U0402: Invalid Data Received From TCM
What Does U0402 Mean?
U0402 is a diagnostic trouble code indicating: Invalid Data Received From TCM. This code relates to the network communication system. It has been reported in NHTSA complaints across 7 different vehicle models.
Symptoms of U0402
- ⚠️ Check engine light illuminated
- ⚠️ Jerking or surging while driving
- ⚠️ Shifting problems
Common Causes
- 🔍 Failed or deteriorated catalytic converter
- 🔍 Wiring or connector problem
- 🔍 Sensor or control module malfunction
U0402 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"7/10: On a highway, the car lost speed, and all warning lights on the dashboard started flashing. The car would not change gears, decided to place it to the side of the road and tow it to Westshore honda. The start button was replaced, and there was no charge due to a recall that covered the fees. N"
— Honda Hr-V owner, 07/10/2021
"DRIVING CAR AT ~35 MPH - ENTIRE DASHBOARD INDICATOR LIGHTS COME ON - VEHICLE IMMEDIATELY SLOWS DOWN TO 5 MPH - NO POWER WHEN PRESSING ON GAS - RPM TO UP TO 3 OR 4 (LIKE I'M DRIVING 80 MPH) MALFUNCTION INDICATOR LIGHT AND TRANS OIL TEMP LIGHT COMES ON - ALMOST REAR-ENDED BECAUSE OF DRASTIC REDUCTION "
— Dodge Caliber owner, 01/14/2013
"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. Jeep wants to charge me $11000 for this repair, despite DTC was evident when the car was under warranty, and Jeep told me not t"
— Jeep Cherokee owner, 09/04/2018
Source: NHTSA Complaints Database
Most Reported Vehicles for U0402
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | JEEP CHEROKEE | |
| 2 | JEEP RENEGADE | |
| 3 | DODGE CALIBER | |
| 4 | HONDA HR-V | |
| 5 | CHRYSLER 300 | |
| 6 | CHRYSLER PACIFICA | |
| 7 | CHRYSLER 200 |
U0402 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Frequently Asked Questions
Can I drive with this code?
Will this code clear itself?
How do I find the exact cause?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 Inspect wiring harness and connectors for damage, corrosion, or loose connections
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.