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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 -- (B10A2- P33C) Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Powertrain Control Module (Pcm) - 3.0L Petrol (G2861056) >> DTC P003A-21: Turbocharger/Supercharger Boost Control "A" Position Exceeded Learning Limit - Signal amplitude < minimum >> Possible Causes
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Possible Causes

NOTE: This DTC is set when the powertrain control module has measured a signal voltage below a specified range but not necessarily a short circuit to ground, gain too low.