P1644 Mazda Traction Control Delivered Torque Output Circuit

P1644 Mazda Traction Control Delivered Torque Output Circuit

Possible causes
– Poor connection at the AC motor control module
– Open or short circuit condition
– Failed AC Motor Control Module
What about the obd code?
No duty signals are input from the MCM for at least 5 seconds.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1644 Mazda Description

The Motor Control Module (MCM) signals various information about the IMA system to the Engine Control Module (ECM) via the MOTFSA signal line. If no duty signals are input from the MCM for at least a set time period, the ECM detects a malfunction and stores a DTC.

Mazda Vehicle:Mazda B-Series, Mazda CX-7,Mazda CX-9,Mazda MAZDA2,Mazda MAZDA3,Mazda MAZDA5,Mazda MAZDA6,Mazda Miata MX-5,Mazda RX-8,Mazda Tribute,Mazda RX-8,Mazda MX-5,Mazda CX-9,Mazda Atenza,Mazda Axela,Mazda Tribute,
CategoriesUncategorized