Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSUBARU2014IMPREZA SPORT LIMITEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (LAN SYSTEM (DIAGNOSTICS) (HYBRID))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC U0164: LOST COMMUNICATION WITH HVAC CONTROL MODULEDTC DETECTING CONDITION
2014 Subaru Impreza Sport Limited
DTC U0164: Lost Communication With HVAC Control Module: DTC Detecting Condition
2014 Subaru Impreza Sport LimitedSECTION DTC Detecting Condition
WARNING: This page is about a different car, the 2014 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
No data is received from A/C control panel.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.