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P0732 OBD-II Trouble Code: Gear 2 Incorrect Ratio

check engine light

P0732 code definition

A P0732 indicates the Powertrain Control Module (PCM) has perceived an anomaly in the vehicle's gearshift ratio.

What the P0732 code means

A P0732 refers to an issue in the vehicle's automatic transmission. According to the code, Gear 2 will have been detected by the PCM as having an abnormal gearshift ratio compared to the manufacturer's default standard. Although the seriousness of this issue may vary, a P0732 can have significant consequences on the way your transmission functions.

What causes the P0732 code?

There are a number of issues that may be to blame for a P0732. The root causes can usually be traced to a faulty or broken aspect of the transmission system:

What are the symptoms of the P0732 code?

A P0732 may be identified specifically by the reading of a OBD-II trouble code reader. Most often, a P0732 will affect aspects of the vehicle's transmission. Issues with transmission slippage, difficulty shifting gears and lesser fuel efficiency may arise in the event of a P0732. It should be noted, however, that some P0732s may be reported without any of these apparent symptoms.

How does a mechanic diagnose the P0732 code?

A mechanic will first input an OBD-II code reader into the vehicle's computer in order to read and identify the trouble code. A hydraulic pressure diagram should be fed into the proper opening in the transmission system in order to take pressure readings directly from the source. The transmission fluid should be tested with a dipstick and checked for problems.

Any diagnostic findings should be compared with the car manufacturer's default specifications in order to pinpoint abnormalities. If there are other trouble codes registered on the OBD-II reader, it may offer additional guidance in finding the root problem.

Common mistakes when diagnosing the P0732 code

The source issue in a P0732 code often lies with the inner transmission system. The gear's related shift solenoids are sometimes misdiagnosed as faulty and replaced needlessly.

How serious is the P0732 code?

The severity of a P0732 code will vary depending on the current symptoms. While some cases will involve significant transmission issues, other cases are too mild to have an effect on driving performance. Regardless, any issue that pertains to use of the transmission system should be approached and dealt with as soon as possible. It is not recommended to use a vehicle with faulty transmission.

What repairs can fix the P0732 code?

Circuitry and system connectors should be inspected, and fixed or replaced as is necessary to complete the circuit. Replace any components in the internal transmission system or PCM that have been diagnosed as faulty or broken. If an issue has been found in the transmission fluid, it should be topped up or replaced as needed. Confer with any other trouble codes in order to more efficiently identify which parts need fixing or replacing.

Additional comments for consideration regarding the P0732 code

The parameters of a P0732 trouble code may vary significantly depending on the car model in question. P0732 codes are also known to be usually reported in tandem with other codes.

Need help with a P0732 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
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