P0616 — Starter Relay Circuit Low
PowertrainmediumThe starter relay control signal is too low — often an open or grounded wire.
Symptoms
- No crank
Common causes
- Open relay coil
- Wire shorted to ground
- Blown fuse
How to fix
- Measure relay coil 85–86 (about 50–120 Ω)
- Check the fuse
- Check the wire for rubbing
Can I keep driving?
Only if it still starts.
Related diagrams
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Relay Pinout 30, 85, 86, 87, 87a — How a Car Relay Works
What each relay pin does, how to wire it and how to test a 4- or 5-pin relay.
These are the general meanings. Some companies use a code a little differently — confirm with a scanner and your car's service manual.