P0706 Code: Meaning, Symptoms, Causes & Fix

Overview

Symptoms

• transmission warning message
• gear hunting
• reduced acceleration

Common causes

• Sensor drift or delayed actuation affecting transmission range sensor circuit range/performance
• Component out of calibration
• Connector pin damage/corrosion or harness stress near related components

How to diagnose P0706

1. Confirm P0706 and capture freeze-frame data with a professional scan tool.
2. Inspect wiring, connectors, and grounds related to transmission range sensor circuit range/performance for obvious defects.
3. Compare commanded vs actual values in live data under the same operating condition.
4. Check for related DTCs to identify the root-cause chain before replacing parts.
5. After repair, clear codes and confirm readiness monitors complete without recurrence.

Severity of code P0706

Moderate: This code is moderate severity: the vehicle may still operate, but fault progression can increase repair cost over time.

Can you drive with P0706?

Most vehicles can be driven short-term with P0706, but postpone heavy load/highway driving until repaired.

If the warning lamp is flashing or drivability/safety is affected, avoid driving and diagnose immediately.

How to fix it (step-by-step)

1. Repair obvious wiring/connector faults first to prevent repeat parts replacement.
2. Address the root fault mode (performance) in the transmission range sensor circuit range/performance circuit/system.
3. Apply the required relearn/adaptation procedure if specified by service information.
4. Road-test and verify P0706 remains cleared under the conditions that originally set the code.

Fix options

• Clean/repair mechanical restriction where applicable.
• Replace out-of-range component and verify live data.
• Clear DTCs and verify with live data and completed drive cycle.

Typical repair cost

$300-$1500

Common mistakes when diagnosing P0706

• Replacing parts without verifying voltage, ground, and signal integrity first.
• Ignoring related stored/pending codes that indicate upstream faults.
• Skipping post-repair verification drive cycle and readiness checks.

P0706 in common vehicles

P0706 appears across makes such as Mazda, Subaru, Lexus, Jeep. Failure patterns differ by platform: wiring routes, software calibration, and component supplier revisions can change root cause.

Frequently asked questions

What causes P0706?

P0706 is commonly set by performance faults affecting transmission range sensor circuit range/performance.

How much does it cost to fix P0706?

For P0706, repair costs are typically $300-$1500 depending on exact root cause, labor rates, and part quality.

Can I clear P0706 without repair?

You can clear P0706 temporarily, but the code usually returns until the underlying fault is corrected.

Helpful tools

• Estimate repair cost
• Decode your VIN
• Calculate fuel cost