P1847 Buick Code - 2-3 Shift Solenoid Circuit High Input Voltage
Quick Answer
With the engine runtime over 5 seconds, system voltage from 8-18v, Fuel Cutoff inactive, 2-3 Shift Solenoid commanded on by the Powertrain Control Module (PCM), the PCM detected a continuous short to power on the 2-3 Shift Solenoid feedback circuit for 4.3 seconds. Common causes include Faulty 2-3 Shift Solenoid, 2-3 Shift Solenoid harness is open or shorted, 2-3 Shift Solenoid 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
- P1847 Buick indicates 2-3 Shift Solenoid Circuit High Input Voltage.
- Common causes
- Common causes include Faulty 2-3 Shift Solenoid, 2-3 Shift Solenoid harness is open or shorted, 2-3 Shift Solenoid 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 P1847 Buick Description
What are the Possible Causes of the DTC P1847 Buick?
- Faulty 2-3 Shift Solenoid
- 2-3 Shift Solenoid harness is open or shorted
- 2-3 Shift Solenoid circuit poor electrical connection
How to Fix the DTC P1847 Buick?
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 P1847 Buick 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 P1847 Buick Code
1. What are the common symptoms of OBDII code P1847 in a Buick related to the 2-3 Shift Solenoid Circuit High Input Voltage?
- Common symptoms include harsh shifting, transmission slipping, delayed or erratic shifting, and possibly the transmission going into failsafe mode.
2. What are the possible causes of OBDII code P1847 in a Buick indicating a high input voltage in the 2-3 Shift Solenoid Circuit?
- Potential causes can include a faulty shift solenoid, damaged wiring or connectors in the circuit, a malfunctioning transmission control module (TCM), or a short circuit.
3. How can I diagnose the issue causing OBDII code P1847 in my Buick?
- Diagnosis typically involves using a scan tool to retrieve the fault code, checking the wiring and connectors for any damage or corrosion, testing the shift solenoid for proper operation, and verifying the TCM's functionality.
4. Are there any specific repair tips for addressing OBDII code P1847 in a Buick related to the 2-3 Shift Solenoid Circuit High Input Voltage?
- Repair tips may include repairing or replacing damaged wiring and connectors, replacing the faulty shift solenoid, resetting the TCM, and clearing the fault code to see if it returns.
5. Can driving with OBDII code P1847 in a Buick be harmful to the vehicle?
- Continuing to drive with this code may lead to further transmission issues, reduced fuel efficiency, and potential damage to other transmission components over time. It is recommended to address the issue promptly.
6. How critical is it to fix OBDII code P1847 in a Buick indicating a high input voltage in the 2-3 Shift Solenoid Circuit?
- Addressing this code is important as it directly affects the transmission's shifting behavior and overall performance. Ignoring the issue can lead to more severe transmission problems and potential safety concerns.
7. Is it possible to reset OBDII code P1847 in a Buick without repairing the underlying issue?
- While clearing the fault code may temporarily turn off the check engine light, the underlying problem causing the code will persist. It is recommended to diagnose and repair the issue to prevent future complications.
8. Can extreme weather conditions or driving habits trigger OBDII code P1847 in a Buick?
- While extreme conditions may exacerbate existing issues, the code is typically triggered by faults within the 2-3 Shift Solenoid Circuit rather than external factors like weather or driving habits.
9. How long does it typically take to repair OBDII code P1847 in a Buick related to the 2-3 Shift Solenoid Circuit High Input Voltage?
- The repair time can vary depending on the exact cause of the issue, availability of parts, and the expertise of the technician. In general, it may take a few hours to a full day to diagnose and fix the problem.
10. Can I drive my Buick with OBDII code P1847 if the transmission is still functioning normally?
- While the vehicle may still be driveable with this code, it is advisable to address the underlying issue promptly to prevent potential transmission damage or safety hazards in the long run.
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