P0608 Pontiac Code - Vehicle Speed Output Circuit
Quick Answer
Various components apply a voltage to the Vehicle Speed Output circuit. Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle Speed Sensor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0608 Pontiac indicates Vehicle Speed Output Circuit.
- Common causes
- Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle Speed Sensor circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0608 Pontiac Description
The driver supplies the ground for the component being controlled. Each driver has a fault line which the PCM monitors. When the PCM commands a component ON, the voltage of the control circuit should be low (near 0 volts). When the PCM commands the control circuit to a component OFF, the voltage potential of the circuit should be high (near battery voltage).
What are the Possible Causes of the DTC P0608 Pontiac?
- Faulty Vehicle Speed Sensor
- Vehicle Speed Sensor harness is open or shorted
- Vehicle Speed Sensor circuit poor electrical connection
How to Fix the DTC P0608 Pontiac?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0608 Pontiac 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 P0608 Pontiac Code
1. What does the OBDII code P0608 mean on a Pontiac?
Code P0608 indicates an issue with the Vehicle Speed Output Circuit, which is responsible for sending speed data to various systems in the car.
2. What are the common symptoms of code P0608 in a Pontiac?
Symptoms may include erratic speedometer behavior, transmission shifting issues, reduced engine performance, or the illumination of the check engine light.
3. What causes the P0608 code in a Pontiac?
Common causes include a faulty vehicle speed sensor, damaged wiring or connectors in the speed output circuit, or issues with the powertrain control module (PCM).
4. Can a faulty vehicle speed sensor trigger code P0608?
Yes, a malfunctioning vehicle speed sensor can prevent accurate speed information from being transmitted, leading to the P0608 code.
5. How do you diagnose the P0608 code on a Pontiac?
Diagnosis involves inspecting the wiring and connectors in the speed output circuit, testing the vehicle speed sensor, and checking the PCM for faults.
6. Can driving with code P0608 damage my Pontiac?
Driving with this code may cause transmission problems or erratic speed readings, potentially leading to unsafe driving conditions or further damage.
7. How do you fix the P0608 code on a Pontiac?
Repairs may include replacing the vehicle speed sensor, repairing damaged wiring, cleaning connectors, or reprogramming/replacing the PCM if necessary.
8. Is code P0608 specific to certain Pontiac models?
While the code can appear on various Pontiac models, specific symptoms and repair procedures may vary depending on the model and year.
9. Can a weak battery cause code P0608 in a Pontiac?
A weak or failing battery might contribute to electrical issues that could trigger this code, though it’s not a primary cause.
10. How much does it cost to fix code P0608 on a Pontiac?
Repair costs vary depending on the cause, ranging from $50 for basic wiring repairs to several hundred dollars for PCM replacement or reprogramming.
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