AutoCodesPontiac – P1847 Pontiac

P1847 Pontiac 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 Pontiac 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,187
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 22, 2019
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1847 Pontiac Description

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

What are the Possible Causes of the DTC P1847 Pontiac?

  • 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 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 P1847 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.

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

Code P1847 Pontiac comments

No comments found for this page.

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