U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
What Does U0155 Mean?
U0155 is a diagnostic trouble code indicating: Lost Communication With Instrument Panel Cluster (IPC) Control Module. This code relates to the network communication system. It has been reported in NHTSA complaints across 9 different vehicle models.
Common Causes
- 🔍 Transmission component failure
- 🔍 Loose or damaged gas cap
- 🔍 Sensor or control module malfunction
U0155 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"The hybrid system fails to enter “Ready” mode with no SMR engagement audible from the junction box. Dashboard displays ABS, brake, engine, and master warning lights. OBD codes include U0142, U0155, and previously U0073 . Rear brake lights function normally when pedal is pressed. Dealer said to pay 2"
— Toyota Prius owner, 10/31/2025
"After filling up the gas tank, the next morning when started the electric parking brake and check engine warning lights appeared with flashing red parking light on. Everything seemed to be working fine. The parking brake worked, and engine was fine. After internet research I narrowed it down to ei"
— Honda Hr-V owner, 01/21/2025
"On May 31, 2023, my wife and I were in our Honda ridgeline when attempting to back up into a parking spot. We noticed the instrument cluster went dark with only a "P" flashing. There were no alarms or indications of any fault. We shut down the truck. After trying to restart there was no instrument c"
— Honda Ridgeline owner, 05/31/2023
Source: NHTSA Complaints Database
Most Reported Vehicles for U0155
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | TOYOTA PRIUS | |
| 2 | HONDA CR-V | |
| 3 | HONDA FIT | |
| 4 | HONDA HR-V | |
| 5 | HONDA RIDGELINE | |
| 6 | CHEVROLET CRUZE | |
| 7 | CHEVROLET TAHOE | |
| 8 | JEEP WRANGLER | |
| 9 | JEEP COMPASS |
Frequently Asked Questions
What causes communication codes?
Can a bad battery cause network codes?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Check and tighten the gas cap — replace if cracked or damaged ($5-15)
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 Check battery voltage and ground connections; inspect CAN bus wiring
- 🔧 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.