What causes a P0622 code?

Common causes: Failed alt; Wiring.

What are the symptoms of a P0622 code?

Typical symptoms: Charging issues; Battery light.

Yes — this code is generally safe to drive with, but address it soon to avoid escalation. Estimated repair: $200-$700.

OBD-II Code · Charging

Generator F Terminal Circuit

high severitySafe to drive$200-$700

Alt F-terminal circuit fault.

Common symptoms

Likely causes

Where to start

Try the cheapest cause first. Start by checking: failed alt.
Cost & scope. $200-$700
If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.

Look up another code

More free tools