P1760 (blink 77, U441E) on Toyota Corolla E120: LINEAR SOLENOID FOR ACCUMULATOR PRESSURE CONTROL MALFUNCTION (SLT)
Short answer: P1760 means “LINEAR SOLENOID FOR ACCUMULATOR PRESSURE CONTROL MALFUNCTION (SLT)”. The car’s computer has found a fault in the ECT U441E system and turns on the Malfunction indicator lamp (Check Engine). First check: workshop check order (RM821E): INSPECT TRANSMISSION WIRE(SLT) -> CHECK WIRE HARNESS AND CONNECTOR(Transmission wire − ECU) -> INSPECT LINE PRESSURE CONTROL SOLENOID ASSY(SLT).
- Code
- P1760 · blink 77
- System
- ECT U441E
- Dashboard light
- Malfunction indicator lamp (Check Engine)
- Applies to
- 4-speed A/T U441E. Not a PK fitment (the PK EPC lists only A246E and U340E). Other-market fitment unverified.
- Confidence
- high (official Toyota RM821E)
- Source
- toyotamanuals.gitlab.io
Symptoms and when it is set
- (a) or (b) condition below is detected for 1 second or more. (a) SLT− terminal: 0V (b) SLT− terminal: 12V 5 V/ HINT: Division Refer to the chart fo and SLT− during engin GND
Likely causes
- Transmission wire; Wire harness; SLT solenoid valve; Engine ECU r the wave form between terminals SLT+ e idling.
What to check, in order
- Workshop check order (RM821E): INSPECT TRANSMISSION WIRE(SLT) -> CHECK WIRE HARNESS AND CONNECTOR(Transmission wire − ECU) -> INSPECT LINE PRESSURE CONTROL SOLENOID ASSY(SLT)
Related on this car
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

