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Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Diagnostic Trouble Code Index V8 S/C 5.0L Petrol, DTC: Powertrain Control Module (Pcm) -- Range Rover/L405 >> Diagnostic Trouble Code Index V8 SC 5.0L Petrol, DTC Powertrain Control Module >> Description And Operation >> DTC P0687-24: ECM/PCM Power Relay Control Circuit High - Signal stuck high >> Possible Causes

Possible Causes

NOTE: This DTC is set when the powertrain control module measures a signal that remains high when transitions are expected.
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