P1702 – Transmission Range Sensor (Toyota)

Description

The ECM detected a malfunction in the transmission range sensor affecting gear position detection.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

Incorrect gear display
No start in gear
Harsh shifting
Failsafe mode
Check engine light

Causes

Faulty range sensor
Misadjusted sensor
Damaged wiring
Connector corrosion
TCM signal fault

Diagnosis

Check sensor alignment
Inspect wiring
Test sensor output
Scan TCM data
Check connectors

Repair

Adjust range sensor
Repair wiring
Replace sensor
Clean connectors