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Home >> Toyota >> 2021 >> Highlander LE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Automatic Transmission System (UA81E / UA81F) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> Automatic Transaxle System >> DTC P1703-00: AT Solenoid Output Malfunction [10/2022 - ] >> Description

DTC P1703-00: AT Solenoid Output Malfunction [10/2022 - ]: Description

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The ECM detects an erroneous downshift output to the automatic transmission or a gear shifting malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P1703-00 AT Solenoid Output Malfunction ECM internal malfunction (1-trip detection logic)
  • Wire harness or connector
  • Transmission revolution sensor (NC)
  • Transmission wire
  • Solenoid (SL1) valve
  • Solenoid (SL2) valve
  • Solenoid (SL3) valve
  • Solenoid (SL4) valve
  • Solenoid (SL5) valve
  • Solenoid (SL6) valve
  • Solenoid (SL) valve
  • Solenoid (SLU) valve
  • ECM
Comes on DTC stored SAE Code:
P1703