P0708 2014 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 2014 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 2014 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 2014 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 2014 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 2014 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 2014 Chevrolet Silverado Code
What does the P0708 code mean for a 2014 Chevrolet Silverado?
The P0708 code indicates a high voltage issue in the transmission range switch circuit, which monitors gear selection.
What are common symptoms of the P0708 code in a Silverado?
Symptoms may include difficulty shifting gears, the transmission staying in one gear, or the Check Engine Light turning on.
What causes the P0708 code to appear?
Common causes include a faulty transmission range sensor, damaged wiring or connectors, or issues within the transmission control module.
Can driving with the P0708 code damage the vehicle?
Driving with this code may lead to transmission performance issues, potentially causing further damage if not resolved promptly.
How is the P0708 code diagnosed?
A mechanic will use an OBDII scanner to verify the code, inspect the transmission range sensor, and check wiring and connections for damage or corrosion.
What tools are needed to fix the P0708 code?
Basic tools such as a multimeter, OBDII scanner, and possibly replacement parts like a new transmission range sensor may be required.
How much does it cost to repair the P0708 code?
Repair costs vary but typically range from $150 to $400, depending on parts and labor requirements.
Is the transmission range sensor the only part that causes the P0708 code?
No, the issue can also stem from damaged wiring, connectors, or problems with the transmission control module.
Can I clear the P0708 code without repairing the issue?
Clearing the code without fixing the underlying problem may only be a temporary solution, as the code will likely return.
Can a P0708 code affect fuel efficiency?
Yes, transmission issues caused by this code may lead to decreased fuel efficiency due to improper gear operation.
Discuss the causes and fixes for P0708 2014 Chevrolet Silverado OBDII Code
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