The Lemon IndexThe other computers in the car stopped hearing from the climate control module.
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
Wiring or connector fault on the data network. Then: power or ground problem at the climate control module; failed climate control module.
Owners named U0164 in 8 complaints to the U.S. government, most often on the Jeep Cherokee.
Cars owners report it on
Complaints that name U0164, by model. Raw counts, not a failure rate: popular models get more complaints.
The details
What U0164 means
The other computers in the car stopped hearing from the climate control module. Features that depend on it can stop working, and several warning lights often come on together.
Can I drive with U0164?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
38% of the owner complaints that name U0164 also say the car brakes or ABS act up. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of U0164
- Wiring or connector fault on the data network
- Power or ground problem at the climate control module
- Failed climate control module
- Weak battery
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Brakes or ABS act up: 38% of complaints
- Warning lights and electrical faults: 38% of complaints
- Loses power or goes into limp mode: 25% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
U0159 U0170 U0155 U0151 U0146 U0184 U0141 U0140
Quick answers
What does U0164 mean?
Lost Communication With HVAC Control Module. The other computers in the car stopped hearing from the climate control module. Features that depend on it can stop working, and several warning lights often come on together.
Can I drive with U0164?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
What causes U0164?
Wiring or connector fault on the data network; Power or ground problem at the climate control module; Failed climate control module; Weak battery.
Counts: NHTSA owner complaints whose text names U0164. 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.