P0732 on Volvo
Gear 3 Incorrect Ratio
P0732 on Volvo vehicles indicates gear 3 incorrect ratio. Au7o has documented this code across 1 Volvo model — most commonly on S60. This code means the transmission control module detected that the gear ratio in 3rd gear does not match what it expects when the transmission is commanded into that gear. The computer compares input (turbine) speed to output shaft speed; if the math for 3rd gear is wrong, it sets this code. It usually points to internal slipping or a hydraulic/electronic control fault rather than a sensor reading error. Typical repair costs on Volvo range from $900 to $4,500, depending on the specific model and root cause.
Common Causes of P0732
- •Low or dirty/degraded transmission fluid
- •Worn clutch packs or friction material in 3rd gear circuit
- •Faulty shift solenoid for 3rd gear
- •Valve body or pressure control problems
- •Internal mechanical wear or damage in the transmission
- •Clogged transmission filter restricting flow
- •Faulty input/output speed sensor giving skewed data
P0732 on Volvo by Model
Volvo S60(1 issue)
- AW55-50SN 5-Speed Automatic Transmission and TCM Failure2001-2009
P2-generation S60s use the Aisin-Warner AW55-50SN 5-speed automatic. Two related failures dominate owner reports: the transmission control module (TCM), which is mounted inside the transmission case and bathed in hot ATF, develops cracked solder joints and internal failures, and the transmission's clutch packs and valve body wear prematurely because Volvo originally specified the fluid as 'lifetime fill'. Symptoms usually begin as harsh or delayed 1-2 and 2-3 shifts, then progress to flare-ups, limp-home mode (locked in 3rd gear), and eventually loss of forward or reverse. Owners on CarComplaints report 'Transmission/TCU Failure' and 'Lost Forward And Reverse' on early cars, and NHTSA has 16+ automatic-transmission complaints on the 2001 alone.
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What does P0732 mean on Volvo?▼
P0732 stands for "Gear 3 Incorrect Ratio." This code means the transmission control module detected that the gear ratio in 3rd gear does not match what it expects when the transmission is commanded into that gear. The computer compares input (turbine) speed to output shaft speed; if the math for 3rd gear is wrong, it sets this code. It usually points to internal slipping or a hydraulic/electronic control fault rather than a sensor reading error. On Volvo specifically, this code is documented across 1 model.
What causes P0732 on Volvo vehicles?▼
Common causes on Volvo: Low or dirty/degraded transmission fluid, Worn clutch packs or friction material in 3rd gear circuit, Faulty shift solenoid for 3rd gear, Valve body or pressure control problems, Internal mechanical wear or damage in the transmission. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0732 on a Volvo?▼
Repair costs on Volvo range from $900 to $4,500, depending on the specific model and root cause.
Which Volvo models have P0732 documented?▼
Au7o has documented P0732 on 1 Volvo model: S60.