The Lemon IndexAnother computer in the car received data from the instrument panel module that did not make sense.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
A fault inside the instrument panel module. Then: network wiring problem; needs a software update.
Owners named U0423 in 6 complaints to the U.S. government, most often on the Ford.
The details
What U0423 means
Another computer in the car received data from the instrument panel module that did not make sense.
Can I drive with U0423?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
33% of the owner complaints that name U0423 also say the car warning lights and electrical faults. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of U0423
- A fault inside the instrument panel module
- Network wiring problem
- Needs a software update
- Weak battery
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Warning lights and electrical faults: 33% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
U0422 U0420 U0428 U0418 U0416 U0415 U0404 U0403
Quick answers
What does U0423 mean?
Invalid Data Received From Instrument Panel Control Module. Another computer in the car received data from the instrument panel module that did not make sense.
Can I drive with U0423?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes U0423?
A fault inside the instrument panel module; Network wiring problem; Needs a software update; Weak battery.
Counts: NHTSA owner complaints whose text names U0423. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.