DTC P0732 Gear 2 Incorrect ratio

In the intricate symphony of a vehicle’s transmission system, the Diagnostic Trouble Code (DTC) P0732 emerges as a crucial signal. Today, we embark on an exploration of the P0732 code, unraveling its significance, causes, symptoms, diagnostic methodologies, and effective solutions to address the issue of an incorrect gear ratio within Gear 2.

1. What does P0732 code mean?

The P0732 code specifically indicates an incorrect gear ratio within Gear 2, as detected by the Transmission Control Module (TCM). It denotes a discrepancy between the expected gear ratio by the TCM and the actual gear ratio within Gear 2.

2. What are the causes of DTC P0732?

The triggering of the P0732 code for Gear 2 can stem from various factors, including:

  • Low or Contaminated Transmission Fluid: Insufficient or tainted transmission fluid can impede proper gear engagement in Gear 2.
  • Faulty Shift Solenoids: Malfunctioning shift solenoids can disrupt the gear-shifting process specifically within Gear 2.
  • Clutch Malfunction: Issues within the clutch assembly, such as wear or damage, can hinder proper gear engagement in Gear 2.
  • Transmission Control Module (TCM) Issues: A malfunctioning TCM might misinterpret gear engagement signals within Gear 2.
  • Internal Mechanical Problems: Mechanical faults within the transmission system that affect Gear 2 operation.

3. What are the symptoms of DTC P0732?

When the P0732 code manifests for Gear 2, you might observe various symptoms, including:

  • Check Engine Light: The illumination of the check engine light as an indicator of the issue within Gear 2.
  • Difficulty Shifting into Gear 2: Problems experienced while engaging or shifting into Gear 2.
  • Transmission Slipping or Jerking: Unusual or erratic behavior during acceleration or deceleration when operating in Gear 2.

4. How to diagnose DTC P0732?

For an accurate diagnosis related to Gear 2:

  • Conduct OBD-II Scan: Use a diagnostic scanner to retrieve the P0732 code and any accompanying codes for comprehensive insights.
  • Transmission Fluid Inspection: Examine the quality and quantity of transmission fluid specifically related to Gear 2.
  • Assess Shift Solenoids and Clutch Components: Inspect shift solenoids and the clutch assembly for proper functioning within Gear 2.
  • Evaluate TCM Signals: Analyze the signals sent and received by the TCM specifically regarding Gear 2 engagement.

5. How to fix DTC P0732 problem?

Resolving the P0732 code related to Gear 2 involves:

  • Transmission Fluid Maintenance: Ensure transmission fluid levels and quality meet manufacturer specifications for Gear 2 operation.
  • Repair or Replace Components: Address issues with shift solenoids, clutch components, or TCM related to Gear 2 engagement.
  • Clear the DTC: Utilize a diagnostic scanner to clear the trouble code post-resolution of the root issue within Gear 2.


The P0732 code indicating an incorrect gear ratio within Gear 2 necessitates prompt attention to maintain the functionality of your vehicle’s transmission. Understanding its causes, symptoms, diagnostic procedures, and effective solutions empowers you to rectify this issue efficiently, restoring optimal performance and smooth gear engagement within Gear 2.

While this guide offers valuable insights, seeking assistance from certified auto technicians is advisable for accurate diagnosis and resolution of DTC issues related to an incorrect gear ratio within Gear 2. Stay informed, but rely on expert guidance when necessary to ensure your vehicle operates at its best.