U0423 code: Invalid Data Received From Instrument Panel Cluster Control Module

What the code means

Invalid Data Received From Instrument Panel Cluster Control Module. Generic meaning per SAE J2012 (the same for all makes).

How to read U0423: the letter U means network communication between modules; the second digit 0 marks a generic SAE code shared by all makes; the last three characters 423 identify the specific fault.

Codes for body, door, climate, instrument cluster and infotainment modules. On a damaged car they often point to wiring or a connector damaged in the impact zone, or to water inside.

Key figures

Complaints with this code

6

Models

6

Model years

2004–2018

Which models and years

Models whose owners name this code (6). Years link to the model year problems page.

Components named together with the code

Component as the owner filed it (one complaint can list several).

• Electrical system 3
• Engine 3
• Vehicle speed control 2
• Fuel/propulsion system 1
• Powertrain 1
• Steering 1

Complaints by model year

• 2004 1
• 2012 1
• 2013 1
• 2017 2
• 2018 1

What to do if an auction car has this code

• Check wiring and connectors in the impact zone and signs of water inside.

What owners report

Excerpts of owner complaints in the original wording. Owner statements not verified by the regulator; personal data removed.

• Following this repair, new diagnostic codes appeared (B10B9:14-08 and U0423:68-08), coinciding with complete A/C failure. These faults were not present before the EPAS repair. I purchased a blower motor on July 23, 2025 for $101.96 to attempt a fix.

  Ford Fusion 2012 · 2025-09

• > After a routine oil change at a Jeep dealer on [XXX], the A/C in my 2018 Compass stopped working the next day. Compressor hardware is fine but the vehicle stored code U0423-00 (“Invalid Data Received from IPC”).

  Jeep Compass 2018 · 2025-09

• ESP control unit software Recall [phone] Recall [phone] Recall [phone] And my car shows there’s cero recall active but is giving me problem showing code: U0121 U1110 U0122 B227D U0423 B227D

  Mercedes-Benz C 300 2017 · 2025-04

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