2008 PT Cruiser Fault Codes P0732 and P0790: Diagnosis and Fix Guide
Help needed! My 2008 PT Cruiser is displaying fault codes P0732 and P0790. What should I check first to diagnose and resolve these issues? P0732 - Gear Ratio Error in Second Gear Condition: The ratio of input RPM to output RPM does not match the expected gear ratio for second gear. P0790 - This code is less common and requires further investigation. It typically relates to transmission control system errors or sensor malfunctions. My vehicle has a 2.4L engine. How should I proceed with troubleshooting these codes? Any recommended steps or tools?
P0790 is not commonly listed in quick-reference guides and may require deeper inspection—please consider checking transmission sensor signals, control module inputs, and wiring harnesses before proceeding. I'll update with more detailed findings once I have the time. For P0732 - Gear Ratio Error in Second Gear: Verify that the input and output RPM ratio matches the expected gear ratio for second gear. This could indicate issues with the transmission's internal gears or a faulty sensor. Since your 2008 PT Cruiser has a 2.4L engine, ensure all transmission-related components are functioning properly.