Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLINCOLN2015MKS BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 192 (ELECTRONIC POWER ASSIST STEERING COMPONENT TESTING)DTC SYMPTOM INDEXDTC INDEXDTC U045A: INVALID DATA RECEIVED FROM PARKING ASSIST CONTROL MODULE ADESCRIPTION
2015 Lincoln MKS Base, AWD
DTC U045A: Invalid Data Received From Parking Assist Control Module A: Description
2015 Lincoln MKS Base, AWDSECTION Description
WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
The PSCM monitors the HS-CAN when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 9 volts and there are no DTCs present inhibiting PSCM operation.
- DTC U045A:00 (Invalid Data Received from Parking Assist Control Module A: No Sub Type Information) - This DTC sets if the PSCM receives an "invalid" or "unknown" message from the PAM instead of a valid steering angle request message.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.