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Home >> Jaguar >> 2022 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Electronic Engine Controls - INGENIUM I4 2.0L Petrol -- XE (X760)) >> Electronic Engine Controls - INGENIUM I4 2.0L Petrol >> Description And Operation >> Operation >> Diagnostics

Description And Operation: Operation: Diagnostics

WARNING: This page is about a different car, the 2018 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) stores each fault as a Diagnostic Trouble Code (DTC). The DTC and associated environmental and freeze frame data can be read using a Jaguar approved diagnostic equipment. It can be also read real time data from each sensor, the adaption values currently being employed and the current fueling, ignition and idle speed settings.

The freeze frame data can vary depending on the fault. Core freeze frame data for every DTC includes power mode, time, distance and startup battery voltage. Specific sets of data are linked to each DTC. The selected data set will give the most useful supporting data to diagnose the fault.

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