P0804 GMC Code - Skip Shift Lamp Control Circuit
Quick Answer
The P0804 code for GMC vehicles relates to the Skip Shift Lamp Control Circuit. Common causes include Faulty wiring or connections in the skip shift lamp control circuit, Defective skip shift lamp control module, Blown fuse related to the skip shift lamp circuit. 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
- P0804 GMC indicates Skip Shift Lamp Control Circuit.
- Common causes
- Common causes include Faulty wiring or connections in the skip shift lamp control circuit, Defective skip shift lamp control module, Blown fuse related to the skip shift lamp circuit.
- 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.
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Code P0804 GMC Description
The P0804 code for GMC vehicles relates to the Skip Shift Lamp Control Circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the skip shift lamp. The skip shift lamp is a feature in some manual transmission vehicles that illuminates to signal the driver to skip a gear when accelerating under certain conditions to improve fuel economy. When this circuit malfunctions, it can lead to the skip shift lamp not functioning properly or not illuminating at all.
Common Causes of P0804 GMC
- Faulty wiring or connections in the skip shift lamp control circuit.
- Defective skip shift lamp control module.
- Blown fuse related to the skip shift lamp circuit.
- Malfunctioning skip shift solenoid.
- Corrosion or damage to components in the circuit.
Symptoms of P0804 GMC
- The skip shift lamp does not illuminate when it should.
- The skip shift lamp stays illuminated constantly.
- Check Engine Light is illuminated on the dashboard.
- Decreased fuel efficiency.
How to Fix P0804 GMC
- Begin by performing a visual inspection of the skip shift lamp control circuit to check for any obvious signs of damage or corrosion.
- Use a multimeter to test the continuity of the wiring and connections in the circuit to identify any faults.
- Check and replace any blown fuses related to the skip shift lamp circuit.
- Test the skip shift lamp control module and solenoid for proper functionality and replace if necessary.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0804 GMC
The typical repair costs for addressing a P0804 code in a GMC vehicle can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that the actual repair costs may vary based on factors such as location, vehicle make and model, and the technician's labor rates. It is advisable to consult with a trusted auto repair shop for a more accurate estimate based on your specific circumstances.
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