ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free β†’
P0730

Incorrect Gear Ratio

2004-2008 Chrysler Pacifica 4.0L V6

High SeverityPowertrainGeneric (SAE)

Description

The PCM detected that the actual gear ratio does not match the expected ratio for the commanded gear.

Symptoms

  • Check Engine Light
  • Transmission slipping
  • Harsh shifting
  • Flare on shifts
  • Limp mode

Common Causes

  • Worn clutch packs
  • Low fluid level
  • Faulty shift solenoid
  • Internal transmission failure
  • Torque converter issue

Diagnostic Steps

  1. Check fluid level and condition
  2. Monitor gear ratio data with scan tool
  3. Check for other transmission codes
  4. Test shift solenoids
  5. May need internal transmission inspection

Repair Notes

Often indicates internal transmission wear. Start with fluid check and solenoid testing.

Related Codes

P0731Gear 1 Incorrect RatioP0732Gear 2 Incorrect RatioP0733Gear 3 Incorrect RatioP0734Gear 4 Incorrect Ratio

Other Powertrain Codes

P0730 on Other Vehicles

Common Questions

What does code P0730 mean on a 2004-2008 Chrysler Pacifica?

P0730 stands for "Incorrect Gear Ratio". The PCM detected that the actual gear ratio does not match the expected ratio for the commanded gear.

What are the symptoms of P0730 on a Chrysler Pacifica?

Common symptoms of P0730 include: Check Engine Light, Transmission slipping, Harsh shifting, Flare on shifts, Limp mode.

What causes P0730 on a 2004-2008 Chrysler Pacifica?

Common causes of P0730 include: Worn clutch packs, Low fluid level, Faulty shift solenoid, Internal transmission failure, Torque converter issue.

View Labor Times | View Torque Specs | View Fluid Specs