P1847 Cadillac Code - 2-3 Shift Solenoid Circuit High Input Voltage
Quick Answer
The P1847 diagnostic trouble code (DTC) for Cadillac vehicles specifically refers to a problem with the 2-3 Shift Solenoid Circuit having a high input voltage. Common causes include Damaged wiring or connectors in the transmission system, Faulty 2-3 shift solenoid, Malfunctioning transmission control module (TCM). 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
- P1847 Cadillac indicates 2-3 Shift Solenoid Circuit High Input Voltage.
- Common causes
- Common causes include Damaged wiring or connectors in the transmission system, Faulty 2-3 shift solenoid, Malfunctioning transmission control module (TCM).
- 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 P1847 Cadillac Description
The P1847 diagnostic trouble code (DTC) for Cadillac vehicles specifically refers to a problem with the 2-3 Shift Solenoid Circuit having a high input voltage. The 2-3 shift solenoid is a crucial component of the transmission system that controls the shifting between the second and third gears. When the solenoid circuit detects a high input voltage, it indicates that there is an issue with the electrical connection or the solenoid itself.
Common Causes of P1847 Cadillac
- Damaged wiring or connectors in the transmission system
- Faulty 2-3 shift solenoid
- Malfunctioning transmission control module (TCM)
- Internal transmission damage
- Electrical issues in the vehicle's wiring harness
Symptoms of P1847 Cadillac
- Harsh or delayed shifting between gears
- Erratic transmission behavior
- Transmission slippage
- Poor acceleration
- Decreased fuel efficiency
How to Fix P1847 Cadillac
- Begin by conducting a thorough diagnostic scan to confirm the presence of the P1847 code and identify the specific cause of the high input voltage in the 2-3 shift solenoid circuit.
- Inspect the wiring and connectors in the transmission system for any signs of damage or corrosion. Repair or replace any faulty components as necessary.
- Test the 2-3 shift solenoid for proper operation and replace it if it is found to be faulty.
- Check the transmission control module (TCM) for any malfunctions and reprogram or replace it if needed.
- Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P1847 Cadillac
The typical repair costs for addressing a P1847 code related to the 2-3 Shift Solenoid Circuit High Input Voltage can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts such as a new shift solenoid or transmission control module can range from $100 to $500, while labor costs for diagnosis and repair can add another $200 to $500 to the total bill.
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