Pinpoint Test AF: DTC (Diagnostic Trouble Code) U0452:86
WARNING: This page is about a different car, the 2023 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
REFER to: Lane Keeping System - System Operation and Component Description .
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition IPMA U0452:86 Invalid Data Received From Restraints Control Module: Signal Invalid This continuous memory DTC can set in the IPMA due to a fault in the RCM or an input to the RCM. Possible Sources
- RCM concern
- AF1 CHECK FOR RCM (RESTRAINTS CONTROL MODULE) SIGNAL
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question.
Is DTC U0452:86 still present?
Yes RETRIEVE and FOLLOW non-network Diagnostic Trouble Codes (DTCs) from the RCM REFER to: Airbag Supplemental Restraint System (SRS) . No DIAGNOSE the observable symptom.