Engine-CodesChevrolet – P0708 2016 Chevrolet Silverado

P0708 2016 Chevrolet Silverado Code - Transmission Range Switch Circuit High Voltage

Quick Answer

The P0708 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates a Transmission Range Switch Circuit High Voltage issue. Common causes include Faulty transmission range switch, Damaged or corroded wiring in the transmission range switch circuit, Malfunctioning engine control module (ECM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0708 2016 Chevrolet Silverado indicates Transmission Range Switch Circuit High Voltage.
Common causes
Common causes include Faulty transmission range switch, Damaged or corroded wiring in the transmission range switch circuit, Malfunctioning engine control module (ECM).
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0708 2016 Chevrolet Silverado Description

The P0708 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates a Transmission Range Switch Circuit High Voltage issue. This code is specifically related to the transmission range sensor or switch, which is responsible for detecting the gear position of the vehicle. The transmission range switch is crucial for the proper operation of the transmission system, as it helps the engine control module (ECM) determine the appropriate gear selection based on the position of the gear selector.

OBDII Code P0708 2016 Chevrolet Silverado - Transmission Range Switch Circuit High Voltage
P0708 2016 Chevrolet Silverado Code - Transmission Range Switch Circuit High Voltage

Common Causes of P0708 2016 Chevrolet Silverado

  1. Faulty transmission range switch
  2. Damaged or corroded wiring in the transmission range switch circuit
  3. Malfunctioning engine control module (ECM)
  4. Loose or poor electrical connections
  5. Water or debris intrusion in the transmission range switch

Symptoms of P0708 2016 Chevrolet Silverado

  1. Erratic shifting patterns
  2. Difficulty starting the vehicle
  3. Stalling while driving
  4. Inability to shift gears
  5. Illumination of the check engine light

How to Fix P0708 2016 Chevrolet Silverado

  1. Diagnose the issue by using a scan tool to confirm the P0708 code and inspecting the transmission range switch and circuit for any visible damage.
  2. Replace the transmission range switch if it is found to be faulty, ensuring proper alignment and connection.
  3. Check and repair any damaged or corroded wiring in the transmission range switch circuit.
  4. Clear the DTC from the ECM memory and test drive the vehicle to ensure proper operation of the transmission system.
  5. If the issue persists, further diagnostics may be required to identify any underlying problems with the ECM or other related components.

Cost to Fix P0708 2016 Chevrolet Silverado

The cost of repairing a P0708 code on a 2016 Chevrolet Silverado can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the repair cost for this type of transmission range switch circuit high voltage issue can range from $200 to $500, including parts and labor. However, it is important to note that labor rates and diagnostic fees can vary significantly depending on the location, type of repair shop, and the technician's experience. It is recommended to contact local auto repair shops for a more accurate estimate based on your specific circumstances.

Tech Notes for P0708 2016 Chevrolet Silverado

The Internal Mode Switch (IMS) is mounted to the manual shift shaft detent lever as an assembly. The components of the detent lever/IMS assembly cannot be individually serviced. When the IMS needs replacing, the entire assembly must be replaced.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0708 2016 Chevrolet Silverado Code

What does the OBDII code P0708 mean for a 2016 Chevrolet Silverado?

Code P0708 indicates a "Transmission Range Sensor Circuit High Input," meaning the transmission range switch is detecting a voltage that is higher than expected.

What are the common symptoms of code P0708 in a 2016 Chevrolet Silverado?

Symptoms may include the vehicle being stuck in a single gear, erratic shifting, the transmission going into "limp mode," and illumination of the check engine light.

What causes the P0708 code to be triggered?

Common causes include a faulty transmission range sensor, damaged or corroded wiring/connectors, or issues within the powertrain control module (PCM).

Can I drive my 2016 Chevrolet Silverado with the P0708 code?

It is not recommended to drive the vehicle with this code, as it can lead to shifting issues and potential damage to the transmission.

How is code P0708 diagnosed?

Diagnosis typically involves scanning for codes, inspecting the transmission range sensor and associated wiring, checking voltage levels, and testing the PCM for proper operation.

What repairs can fix the P0708 code?

Repairs may include replacing the transmission range sensor, repairing or replacing damaged wiring or connectors, or reprogramming/replacing the PCM if necessary.

How much does it cost to fix code P0708 on a 2016 Chevrolet Silverado?

The cost varies depending on the issue, but replacing a transmission range sensor typically costs $150-$400, including parts and labor.

Can a dead battery cause the P0708 code?

A dead or weak battery is unlikely to directly cause this code, but electrical issues such as low voltage could affect sensor performance and trigger related problems.

Is it possible for the P0708 code to clear itself?

In some cases, the code may temporarily clear if the issue is intermittent, but the underlying problem will likely resurface if not addressed.

What tools are needed to diagnose and repair the P0708 code?

You will need an OBDII scanner, a multimeter to check voltage, and possibly wiring diagrams for the transmission circuit to assist in troubleshooting.

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