P2600high severityPowertrain
Coolant Pump A Control Circuit Open
on 2018 Tesla Model X 90 kWh Dual Motor AWD · AWD
What this code means
Open circuit in the electric auxiliary coolant pump control wiring.
Symptoms
- Engine overheating
- Check engine light
- No cabin heat
- Turbo overheating
Common causes
- Failed coolant pump
- Broken wiring
- Corroded connector
- Blown fuse
Diagnostic steps
- Check fuse
- Inspect pump connector
- Measure pump motor resistance
Repair notes
Replace coolant pump or repair wiring. Check for overheating damage.
Other Powertrain codes on this vehicle
P0070
Ambient Air Temperature Sensor Circuit
P0071
Ambient Air Temperature Sensor Range/Performance
P0072
Ambient Air Temperature Sensor Circuit Low
P0073
Ambient Air Temperature Sensor Circuit High
P0115
Engine Coolant Temperature (ECT) Sensor 1 Circuit
P0116
ECT Sensor 1 Circuit Range/Performance
P0117
ECT Sensor 1 Circuit Low Input
P0118
ECT Sensor 1 Circuit High Input
P0119
ECT Sensor 1 Circuit Intermittent
P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control