Engine-CodesChrysler – P0781 Chrysler

P0781 Chrysler Code - 1-2 Shift Malfunction

Quick Answer

The P0781 code for Chrysler vehicles indicates a malfunction in the 1-2 shift operation of the automatic transmission. Common causes include Low transmission fluid level or dirty transmission fluid, Faulty transmission solenoid, Transmission valve body issues. 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
P0781 Chrysler indicates 1-2 Shift Malfunction.
Common causes
Common causes include Low transmission fluid level or dirty transmission fluid, Faulty transmission solenoid, Transmission valve body issues.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0781 Chrysler Description

The P0781 code for Chrysler vehicles indicates a malfunction in the 1-2 shift operation of the automatic transmission. This means that there is an issue with the transmission's ability to shift smoothly from first gear to second gear. This can lead to erratic shifting, harsh shifting, delayed shifting, or even a total failure to shift gears.

OBDII Code P0781 Chrysler - 1-2 Shift Malfunction
P0781 Chrysler Code - 1-2 Shift Malfunction

Common Causes of P0781 Chrysler

  1. Low transmission fluid level or dirty transmission fluid
  2. Faulty transmission solenoid
  3. Transmission valve body issues
  4. Wiring or electrical problems in the transmission control system
  5. Mechanical issues within the transmission, such as worn clutches or bands

Symptoms of P0781 Chrysler

  1. Erratic or harsh shifting
  2. Delayed shifting
  3. Transmission slipping
  4. Limp mode activation
  5. Decreased fuel efficiency

How to Fix P0781 Chrysler

  1. Check and top off transmission fluid levels, and replace if dirty or contaminated.
  2. Inspect and test the transmission solenoid for proper operation, replacing if necessary.
  3. Check and clean the transmission valve body, or replace if there are signs of damage.
  4. Inspect wiring and electrical connections in the transmission control system for any faults, repairing or replacing as needed.
  5. If mechanical issues are suspected, such as worn clutches or bands, a transmission rebuild or replacement may be necessary.

Cost to Fix P0781 Chrysler

The cost of repairing a P0781 code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair costs for this issue can range from $200 to $800, including parts and labor. However, it's important to note that prices can vary significantly based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs required. It's recommended to obtain quotes from multiple repair shops to get a more accurate estimate for your specific situation.

When is the Code Detected?

The P0781 code is detected when actual gear position and the commanded gear position are different

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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.

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