P1719 – ATF Pressure Switch (Toyota)
Description
The ECM detected a malfunction in the ATF pressure switch affecting hydraulic pressure monitoring.
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View Recommended ScannersSymptoms
- Harsh shifting
- Delayed shifting
- Slipping
- Failsafe mode
- Check engine light
Causes
- Faulty pressure switch
- Dirty ATF
- Valve body blockage
- Wiring issues
- TCM signal fault
Diagnosis
- Test pressure switch
- Inspect wiring
- Check ATF condition
- Scan TCM data
- Inspect valve body
Repair
- Replace pressure switch
- Refill ATF
- Clean valve body
- Repair wiring
