TransmissionModerate✅ DIY Friendly

P0708

Q: What does OBD2 code P0708 mean?

P0708 means: Transmission Range Sensor Circuit High Input. The transmission range sensor circuit is reading a higher voltage than expected.

Transmission Range Sensor Circuit High Input

The transmission range sensor circuit is reading a higher voltage than expected.

SeverityModerate

CategoryTransmission

Est. Repair Cost$150-$350

Code TypePowertrain

DIY RepairYes

⚡ Common Causes

›Faulty range sensor
›Wiring short circuit
›Corroded connector

⚠️ Symptoms

›Check engine light
›Incorrect gear indication
›Possible no-start

✅ How to Fix — Step by Step

Step 1:Inspect wiring for shorts
Step 2:Test sensor voltage
Step 3:Replace sensor if faulty

🔧 Diagnostic Tools Required

✔OBD-II Diagnostic Scanner
✔Transmission Pressure Gauge
✔ATF Temperature Reader
✔Digital Multimeter
✔Basic Hand Tools

Using the correct diagnostic tools helps identify the root cause of P0708 before replacing parts unnecessarily. Always confirm the fault using live data and manufacturer-recommended diagnostic procedures.

💡 Pro Tip: Compare live sensor data across all gear positions with a scan tool to confirm exactly where the range sensor signal goes wrong.

Frequently Asked Questions

What does OBD2 code P0708 mean?+

P0708 stands for Transmission Range Sensor Circuit High Input. The transmission range sensor circuit is reading a higher voltage than expected.

What causes code P0708?+

Faulty range sensor; Wiring short circuit; Corroded connector

How do I fix code P0708?+

Inspect wiring for shorts; Test sensor voltage; Replace sensor if faulty

How much does it cost to fix P0708?+

Estimated repair cost for P0708 is $150-$350.

Is P0708 DIY-friendly?+

Yes — P0708 is generally DIY-friendly with basic tools.

AI Diagnosis

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