Engine-Codes.com
Engine-Codes – Pontiac – P1847 Pontiac

P1847 Pontiac Code - 2-3 Shift Solenoid Circuit High Input Voltage

Quick Answer

The P1847 diagnostic trouble code (DTC) for Pontiac vehicles specifically indicates a problem with the 2-3 shift solenoid circuit having a high input voltage. Common causes include Faulty 2-3 shift solenoid, Damaged or corroded wiring or connectors in the solenoid circuit, Issues with the transmission control module. 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 Pontiac indicates 2-3 Shift Solenoid Circuit High Input Voltage.
Common causes
Common causes include Faulty 2-3 shift solenoid, Damaged or corroded wiring or connectors in the solenoid circuit, Issues with the transmission control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1847 Pontiac Description

The P1847 diagnostic trouble code (DTC) for Pontiac vehicles specifically indicates a problem with the 2-3 shift solenoid circuit having a high input voltage. The 2-3 shift solenoid is a crucial component within the transmission system responsible for controlling the shifting of gears between the second and third gears. When the input voltage for this solenoid is detected to be too high, it can lead to various issues with the transmission's operation.

OBDII Code P1847 Pontiac - 2-3 Shift Solenoid Circuit High Input Voltage
P1847 Pontiac Code - 2-3 Shift Solenoid Circuit High Input Voltage

Common Causes of P1847 Pontiac

  1. Faulty 2-3 shift solenoid
  2. Damaged or corroded wiring or connectors in the solenoid circuit
  3. Issues with the transmission control module
  4. Low transmission fluid levels or contaminated fluid
  5. Electrical issues such as a short circuit or power supply problems

Symptoms of P1847 Pontiac

  1. Harsh shifting between gears
  2. Delayed or erratic gear shifts
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Illumination of the check engine light

How to Fix P1847 Pontiac

  1. Begin by diagnosing the specific cause of the high input voltage in the 2-3 shift solenoid circuit using a scan tool to retrieve the trouble codes and data.
  2. Inspect the wiring and connectors for any damage, corrosion, or loose connections. Repair or replace any faulty wiring or connectors.
  3. Test the 2-3 shift solenoid for proper operation and replace it if it is found to be faulty.
  4. Check the transmission fluid level and condition, ensuring it is at the correct level and not contaminated. Perform a transmission flush or fluid replacement if necessary.
  5. Clear the DTC codes from the TCM and test drive the vehicle to ensure that the issue has been resolved and the transmission is operating smoothly.

Cost to Fix P1847 Pontiac

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 labor rates at the auto repair shop. In general, the parts required for this repair, such as a new shift solenoid or wiring components, may cost between $100 to $300. Labor costs can range from $150 to $400, depending on the shop's hourly rates and the complexity of the repair. In total, the repair for this issue could cost anywhere from $250 to $700, but prices can vary significantly based on the factors mentioned above. It is advisable to obtain quotes from local auto repair shops to get a more accurate estimate for this repair.

Need more information about the P1847 Pontiac code?

Need more information on how to fix the P1847 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1847 Pontiac code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1847 Pontiac Code

1. What does the OBDII code P1847 mean for a Pontiac?

The P1847 code indicates a high input voltage issue in the 2-3 shift solenoid circuit, which is responsible for controlling gear shifts between second and third gears.

2. What are the common symptoms of a P1847 code?

Symptoms may include harsh or erratic shifting, the transmission being stuck in one gear, reduced vehicle performance, and the check engine light illuminated.

3. What causes the P1847 code to appear?

Common causes include a faulty 2-3 shift solenoid, damaged wiring or connectors in the solenoid circuit, a defective transmission control module (TCM), or electrical issues like short circuits or corrosion.

4. Can I drive my Pontiac with a P1847 code?

Driving with this code is not recommended, as it can lead to further transmission damage and unsafe driving conditions due to shifting issues.

5. How is the P1847 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the wiring and connectors, test the 2-3 shift solenoid for proper operation, and verify the TCM’s functionality.

6. How do I fix the P1847 code on my Pontiac?

Repairs may include replacing the 2-3 shift solenoid, repairing or replacing damaged wiring or connectors, cleaning corroded connections, or replacing the TCM if necessary.

7. How much does it cost to repair the P1847 code?

Costs vary depending on the issue. Replacing a shift solenoid typically costs $150-$400, while wiring repairs or TCM replacements may be more expensive.

8. Can a low transmission fluid level cause the P1847 code?

Low transmission fluid alone is unlikely to cause this specific code, but it can contribute to transmission problems that may affect solenoid performance.

9. Can I clear a P1847 code without fixing the problem?

Clearing the code without addressing the root cause will likely result in the code returning and continued transmission issues.

10. Is the P1847 code specific to Pontiac vehicles?

No, the P1847 code is not specific to Pontiac vehicles, but its interpretation and repair procedures may vary depending on the make and model.

Discuss the causes and fixes for P1847 Pontiac OBDII Code

Submit a New Comment

Code P1847 Pontiac comments

No comments found for this page.