DTC C1379: Downhill Assist Control Switch Malfunction (Test Mode DTC) [08/2015 - 08/2019]: Description

w/ Downhill Assist Control:

DTC C1379 is cleared when the downhill assist control switch sends a downhill assist control operation signal or when test mode ends.

w/ Crawl Control:

DTC C1379 is cleared when the crawl control switch sends a crawl control operation signal or when test mode ends.

DTC Code	DTC Detection Condition	Trouble Area
C1379	Stored only during test mode.	ECU-IG NO. 1 fuse (w/ Crawl Control) ECU-B fuse (w/ Crawl Control) Downhill assist control switch (w/ Downhill Assist Control) Crawl control switch (w/ Crawl Control) Harness or connector Master cylinder solenoid (Skid control ECU)