When your 2020 Dodge Charger's starter just clicks in cold weather instead of turning the engine over, you're hearing the solenoid engage without the starter motor spinning. This clicking pattern is a telltale sign of insufficient electrical power.
What the Clicking Means
The clicking sound is the starter solenoid attempting to engage. It pulls in when you turn the key, but there's not enough power for the starter motor to turn the engine. Each click represents an attempt that fails due to voltage drop. Rapid clicking is classic weak battery; single loud click can indicate starter or connection issues.
Charger HEMI Considerations
The Charger's HEMI V8 engines require substantial cranking power. The large displacement means more compression to overcome. Thicker cold oil adds resistance. The HEMI demands a battery with high cold cranking amps to start reliably in winter.
Cold Weather Amplification
Cold temperatures create a perfect storm: battery capacity drops 40-50% at freezing, oil thickens requiring more cranking force, and any marginal electrical connections become more resistive. A system that works in summer can completely fail in winter.
Diagnostic Steps
Check battery terminals for corrosion—even light corrosion significantly affects current flow. Test battery voltage (should be 12.6V fully charged). Try jumping from another vehicle with a strong battery. Feel cables for warmth after attempting start (warm cables indicate resistance).
Solutions
Clean and tighten battery terminals. Replace battery if it's weak or over 4 years old. Upgrade to higher CCA battery for HEMI engines (minimum 700 CCA, preferably 800+). Check starter if clicking persists with known-good battery. Inspect ground cables for corrosion.