P1716 — TFT Sensor Out Of Self Test Range

OBD2 code P1716 flags a problem with the sensor and actuator circuits (TFT sensor out of self test range). The car is usually drivable while you plan the repair. Common culprits: faulty sensor or actuator of the affected circuit, control module driver fault, open or shorted wiring in the circuit.

For Ford vehicles

selection solenoid valve c inductive sensor signal

powertrain (engine/transmission)

Is it safe to drive?

Short-term driving is OK In most cases the car remains drivable, possibly with reduced performance or a disabled auxiliary system. If symptoms include stalling, no-start or brake/steering warnings, treat it as urgent.

How to diagnose with an OBD scanner

Read the code and freeze frame Connect an OBD2 scanner, confirm P1716 is stored, and save the freeze frame data — it shows engine conditions when the fault was detected.
Check for companion codes and TSBs Related codes often reveal the real root cause. Also check manufacturer technical service bulletins (TSB) for your make and model — many P0xxx issues have factory fixes or software updates. Search by VIN on the manufacturer site or nhtsa.gov.
Inspect wiring and connectors Visually inspect the wiring harness and connectors related to the TFT sensor out of self test range for damage, corrosion, chafing or poor contact.
Subsystem check Measure reference voltage, ground and signal continuity at the component connector.
Subsystem check Wiggle-test the harness while watching the signal in live data — dropouts reveal broken wires.
Verify the repair Clear the code, complete a full drive cycle including the conditions from the freeze frame, and confirm P1716 does not return.

Approximate repair cost

Repair cost depends on which component actually failed. Typical scenarios for P1716 (parts and labor, USD, independent shop rates): Replace the faulty sensor or actuator: $150–$500; Control module repair: $300–$1,000; Repair wiring or connectors: $80–$250. Overall, fixing P1716 usually costs between $80 and $1,000. An accurate diagnosis before buying parts saves money — the most expensive scenario is rarely the first one to check.

Common questions

How much does it cost to fix P1716?

Replace the faulty sensor or actuator — $150–$500; Control module repair — $300–$1,000; Repair wiring or connectors — $80–$250. Exact cost depends on the root cause, your vehicle and local labor rates — a proper diagnosis is the cheapest first step.

How do I diagnose P1716 myself?

Start with a scan: confirm P1716, save the freeze frame and note any companion codes. Then inspect the wiring and connectors related to the sensor and actuator circuits, and verify the suspect component against live data before buying parts.

What is the most common cause of P1716?

The most common causes are: faulty sensor or actuator of the affected circuit, control module driver fault, open or shorted wiring in the circuit.

Will P1716 clear itself?

Sometimes P1716 clears after a few drive cycles if the fault was intermittent — for example a loose connector or a tank of bad fuel. The underlying cause usually remains, so the code tends to return. Clear it once; if it comes back, diagnose rather than erase it repeatedly.

What are the symptoms of P1716?

Drivers most often notice: possible limp mode depending on the affected component, Check Engine Light on, increased fuel consumption in some cases, the affected system operates intermittently or not at all.

When your vehicle's engine or transmission control module detects that a sensor or actuator circuit is behaving outside its expected parameters, it logs a specific fault code to flag the problem. Code P1716 indicates exactly that situation—the module has identified that the Transmission Fluid Temperature (TFT) sensor circuit is not responding within the self-test calibration window. In technical terms, this is classified as a powertrain code, meaning it relates to the engine and transmission systems working together. The ECU continuously evaluates sensor inputs and actuator outputs during normal driving, comparing real-time readings against factory-defined acceptable ranges. When those readings drift outside those ranges for a sustained period across multiple drive cycles, the system stores P1716 and illuminates the Check Engine light as a warning to the driver.

The freeze frame data stored alongside P1716 is invaluable for diagnosis. This snapshot captures the exact operating conditions present when the fault first appeared—engine RPM, vehicle load, coolant and transmission fluid temperatures, vehicle speed, and other sensor readings. Think of it as a photograph of your car's health at the precise moment something went wrong. This information helps technicians recreate the failure scenario during testing, rather than chasing phantom issues that only occur under specific conditions. Without this data, tracking intermittent faults becomes significantly more challenging and time-consuming.

Understanding why the module sets this particular code requires recognizing that modern vehicles rely on the TFT sensor for multiple critical functions. The transmission control module uses fluid temperature data to determine shift schedules, torque converter lockup points, and line pressure adjustments. Excessive heat can damage transmission components, so the module takes a degraded signal very seriously. When the TFT sensor or its associated wiring fails in a way that produces out-of-range readings during the module's self-diagnostic checks, P1716 is the result.

Common Symptoms of P1716

The Check Engine light remains illuminated after the fault is detected
The vehicle may enter limp mode, restricting power or preventing gear engagement depending on which component is actually at fault
Fuel consumption may increase noticeably compared to normal driving patterns
The transmission or affected auxiliary system operates erratically—delayed shifts, harsh engagement, or complete failure to engage
In some cases, no additional symptoms are apparent beyond the illuminated warning light
The transmission may fail to shift properly or may stay in a single gear

What Causes P1716?

The root causes of P1716 typically stem from electrical issues rather than mechanical failures:

A failed or degrading TFT sensor or related actuator component is the most frequent culprit
A blown fuse protecting the affected circuit can interrupt proper sensor operation
Corrosion, moisture intrusion, or physical damage at electrical connectors creates poor connections
Loose connector terminals that fail to maintain consistent contact under vibration
Broken, chafed, or melted wiring insulation exposes conductors to short circuits
An open circuit—where the wire has completely separated—prevents any signal from reaching the module
A short-to-ground or short-to-voltage condition sends incorrect signals to the control module

How to Diagnose P1716

A systematic approach prevents unnecessary parts replacement and keeps repair costs reasonable:

Connect an OBD2 scanner and verify that P1716 is the active code. Record all stored freeze frame data carefully—this tells you exactly what conditions existed when the module first detected the malfunction.
Scan for any additional diagnostic trouble codes. Related codes often point toward the actual failing component rather than the sensor itself. Check manufacturer technical service bulletins using your VIN through the automaker's website or NHTSA database for known fixes or software updates applicable to your vehicle.
Perform a thorough visual inspection of all wiring and connectors associated with the TFT sensor circuit. Look for damaged insulation, corroded pins, bent connectors, or evidence of heat damage from nearby components.
Test electrical parameters at the sensor connector with a multimeter. Verify that reference voltage (typically 5 volts), proper ground, and signal output all fall within specifications. Compare your findings against manufacturer service data.
Conduct a wiggle test by gently moving the wiring harness while monitoring live data on your scanner. Any signal dropouts, spikes, or erratic readings indicate intermittent wire breaks that may not be visible during static inspection.
After addressing any discovered issues, clear P1716 and perform a complete drive cycle that reproduces the conditions captured in your freeze frame data. Confirm the code does not return before considering the repair complete.

Repair Options and Costs for P1716

Addressing the most common and least expensive possibilities first makes financial sense for this code:

Sensor or actuator replacement: The TFT sensor itself or an associated solenoid/actuator typically costs $150–$500 for parts and installation. This is the most frequent fix when wiring tests normal.
Wiring harness or connector repair: Damaged wiring or corroded connectors can often be repaired rather than replaced for $80–$250 depending on complexity and whether connector replacement is necessary.
Control module diagnosis: In rare cases where all wiring and sensors check good, the transmission or engine control module itself may require attention at $300–$1,000 for repair or reprogramming.

The total cost to resolve P1716 generally falls between $80 and $1,000 depending on which component is actually at fault. Spending time on accurate diagnosis before purchasing parts almost always saves money—the expensive control module scenario is rarely the actual problem.

Can You Drive with P1716?

In most driving situations, the vehicle remains operational with P1716 stored, though you may experience reduced performance, altered shift patterns, or disabled auxiliary features. However, if the code triggers limp-home mode or is accompanied by stalling, failure to start, or warnings related to braking or steering systems, treat the situation as urgent and seek repair immediately. Otherwise, scheduling service within a reasonable timeframe keeps repair costs from escalating if the underlying issue worsens.