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Home >> Ford >> 2019 >> Fusion Energi Titanium >> Repair and Diagnosis >> External Pages >> Different car >> Section 532 (Abs Guided Routine) >> Pinpoint Tests >> Pinpoint Tests BU: DTC P1637: PCM ABS Module CAN Link Error >> Normal Operation and Fault Conditions
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Normal Operation and Fault Conditions

WARNING: This page is about a different car, the 2020 Lincoln MKZ and 2019 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.

During a traction control event, the ABS module sends a torque request message to the PCM. The PCM responds by reducing engine torque to aid in preventing drive wheel slip. If the PCM does not receive the message or the requested amount of torque is outside programmed parameters, this DTC is set in the PCM. The PCM only monitors for a torque request message during a wheel slip event.