2-3 Shift Malfunction (P0782)
The P0782 code indicates that the powertrain control module (PCM) has detected a problem with the 2-3 shift solenoid or its circuit, causing the transmission to fail to shift properly from 2nd to 3rd gear. This can lead to harsh shifting, slipping, or no shift at all, and may be due to electrical issues, low fluid, or internal transmission wear.
1. Symptoms You Will Notice
- Harsh or delayed 2-3 upshift
- Transmission slipping or stuck in 2nd gear
- Check Engine Light illuminated
- Reduced fuel economy
2. Most Common Causes
- Faulty 2-3 shift solenoid
- Low or dirty transmission fluid
- Worn transmission valve body
- Damaged wiring or connectors to solenoid
3. Step-by-Step Diagnosis
Step 1: Scan for codes and record freeze frame data
Step 2: Check transmission fluid level and condition
Step 3: Inspect wiring and connectors to the 2-3 shift solenoid
Step 4: Test solenoid resistance and operation with a multimeter
Step 5: Perform a transmission pressure test if needed
4. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause further transmission damage. Limp mode may limit speed.
How much does it cost to fix?▼
Repair costs range from $150 to $400 depending on whether it's a solenoid replacement or more extensive transmission work.
5. Commonly Affected Makes
This is a generic OBD2 code, potentially applicable to any manufacturer using this diagnostic standard.