What is "U0423 OBD Trouble Code" mean?

Asked by Feb 20, 2017 at 08:39 PM about the 2008 Mercedes-Benz M-Class ML 320 CDI

Question type: Maintenance & Repair

When I used BOD II scanner to scan on the car, I've got the result like that:
* U0423 - Generic
- Type:           Network - Network Date - ISO/SAE Controlled
- Description: Invalid Data Received From Instrument Panel Cluster Control Module

2 Answers

76,335

U0423 - Invalid Data Received From Instrument Panel Cluster Control Module...Possible causes; Invalid data network concerns, data is transferred within the normal inter-module message, but contains known invalid data. The transmitting module logs a DTC related to the invalid data concern. Missing message network concerns missing message concerns are logged by the module upon failure to receive a message from another module within a defined retry period...Check for other Powertrain Control Module (PCM) codes or PCM related symptoms. Diagnose all other PCM codes or PCM related symptoms first.

1 of 1 people found this helpful.
7,835

Basically what the code means is that the system can not communicate with the different modules in the vehicle and requires a different type of scanner. Bottom line. U need to take it to the dealer.

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