P0708 2016 Chevrolet Silverado Code - Transmission Range Switch Circuit High Voltage
Quick Answer
The Transmission Internal Mode Switch (IMS) consists of 5 internal switches, A, B, C, P, and Neutral Start. Common causes include Faulty Transmission Internal Mode Switch (IMS), Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch circuit poor electrical connection. 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 Internal Mode Switch (IMS), Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch circuit poor electrical connection.
- 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.
Code P0708 2016 Chevrolet Silverado Description
The Engine Control Module (ECM) supplies a signal circuit to the neutral start switch. The ECM uses the state of the neutral start switch state as confirmation that the transmission is in neutral or park before the engine starter is engaged.
The Diagnostic Trouble Code (DTC) will be set when the TCM detects the internal mode switch is reporting an illegal range for greater than 1 s.
What are the Possible Causes of the DTC P0708 2016 Chevrolet Silverado?
- Faulty Transmission Internal Mode Switch (IMS)
- Transmission Internal Mode Switch harness is open or shorted
- Transmission Internal Mode Switch circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P0708 2016 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0708 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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.
Discuss the causes and fixes for P0708 2016 Chevrolet Silverado OBDII Code
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