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Home >> Land Rover >> 2021 >> Discovery R-Dynamic HSE >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Powertrain Control Module (Pcm) - 3.0L Petrol (P033D -- U2300) Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Powertrain Control Module (Pcm) - 3.0L Petrol (G2861056) >> DTC P0687-24: ECM/PCM Power Relay Control Circuit High - Signal stuck high >> Possible Causes
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Possible Causes

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