Question

What will fix obd2 code P0740 and P0700 on 2003 Chrysler Town & Country 3.8L? Shift solenoid replaced 5 months ago.

Answer 1

Worst case scenario something related to the torque converter or Transmission Control Module is bad

P0700

- Shorted or open circuit within Transmission Control Module (TCM)
- Faulty Transmission Control Module (TCM)
 

P0740

 

Possible causes

- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorte

Answer 2

P0700 CHRYSLER - Transaxle Control System Malfunction
Read more: https://www.autocodes.com/p0700_chrysler.html

P0740 CHRYSLER - Torque Converter Clutch Circuit
Read more: https://www.autocodes.com/p0740_chrysler.html