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Home >> Jaguar >> 2017 >> XJR L >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Diagnostic Trouble Code Index DTC: Engine Control Module (ECM) V6 S/C 3.0L Petrol -- XJ/X351) >> DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: V6 S/C 3.0L Petrol, Engine Control Module (ECM) >> Description And Operation >> Powertrain Control Module (Pcm) - 3.0L Petrol >> P050F-01 - Brake Assist Vacuum Too Low - General electrical failure >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jaguar XJ, 2016 Jaguar XJ, 2015 Jaguar XJ, 2014 Jaguar XJ, and 2013 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Monitor description  . The powertrain control module checks there is brake vacuum greater than 60 kPa gauge pressure after 45 seconds. After engine is running, the atmospheric pressure is greater than 75 kPa, the coolant is greater than 20°C, and the brake pedal is released.
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