LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Land Rover >> 2013 >> LR4 Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 194 (Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATC) -- LR4/L319) >> Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATC) >> Description And Operation >> DTC U0166-87: Lost Communication With Auxiliary Heater Control Module - Missing message >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

WARNING: This page is about a different car, the 2016 Land Rover LR4, 2015 Land Rover LR4, and 2014 Land Rover LR4. However, it is still accessible from the selected car via links, so may be relevant.
scientia non olet · About LEMON Manuals