LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2019 >> Renegade Trailhawk >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> (Active Cruise Control (Acc) Module - Electrical Diagnostics) >> DTC Troubleshooting >> C1427-66-Radar Sensor Blinded (Radar Modulation Disturbed) - Signal Has Too Many Transitions Events >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes
SENSOR LENS OBSTRUCTION
DAMAGED SENSOR LENS OR MOUNTING LOCATION
VERTICAL MISALIGNMENT
ADAPTIVE CRUISE CONTROL (ACC) MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .