P0616moderate severityPowertrain
Starter Motor Relay Circuit Low
on 2024 Tesla Model S Plaid Tri Motor AWD · AWD
What this code means
Low voltage in starter relay circuit.
Symptoms
- No crank
- Weak cranking
Common causes
- Weak battery
- Corroded connection
- Wiring issue
Diagnostic steps
- Test voltage at relay
- Check connections
- Test battery
Repair notes
Repair wiring or replace relay.
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