The Lemon Index

Check engine light · Engine codes

U0104: Lost Communication With Cruise Control Module.

Network · GenericU0104
Get it fixed soon
What it means

The other computers in the car stopped hearing from the cruise control module.

How serious

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.

Where a shop starts

Wiring or connector fault on the data network. Then: power or ground problem at the cruise control module; failed cruise control module.

Owners named U0104 in 5 complaints to the U.S. government, most often on the Honda Odyssey.

Cars owners report it on

Complaints that name U0104, by model. Raw counts, not a failure rate: popular models get more complaints.

Years owners report it on most: 2020 Honda Odyssey

The details

What U0104 means

The other computers in the car stopped hearing from the cruise control module. Features that depend on it can stop working, and several warning lights often come on together.

Can I drive with U0104?

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.

60% of the owner complaints that name U0104 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 U0104
  • Wiring or connector fault on the data network
  • Power or ground problem at the cruise control module
  • Failed cruise control module
  • Weak battery

A shop should confirm the cause with a scan and tests before replacing parts.

What owners describe
  • Warning lights and electrical faults: 60% of complaints

Share of complaints naming the code whose text also mentions each problem.

Model years that report U0104 most

2020 Honda Odyssey (2).

Related codes

U0103 U0102 U0101 U0100 U0109 U0111 U0121 U0122

Quick answers

What does U0104 mean?

Lost Communication With Cruise Control Module. The other computers in the car stopped hearing from the cruise control module. Features that depend on it can stop working, and several warning lights often come on together.

Can I drive with U0104?

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 U0104?

Wiring or connector fault on the data network; Power or ground problem at the cruise control module; Failed cruise control module; Weak battery.

Counts: NHTSA owner complaints whose text names U0104. 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.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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