Vehicle diagnostics
Published DTC guides for this vehicle family, grouped by diagnostic system and code.
P0010 may indicate the intake or single camshaft position actuator control circuit is not matching the commanded state expected by the engine control module.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0016 may mean the ECM sees the intake camshaft position relationship as not plausible compared with the crankshaft position signal.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0068 may indicate that the ECM sees a mismatch between throttle position, MAP-based calculated airflow, and MAF-measured airflow.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0072 means the ECM may be seeing the ambient air temperature sensor signal as lower than expected, which can make the temperature calculation look hotter than actual.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0089 may mean the fuel pressure regulator is not performing as expected compared with the control system’s commanded fuel-pressure behavior.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0101 means the ECM may be seeing airflow information that does not match the expected intake airflow model.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0102 may mean the engine controller is seeing a mass air flow sensor signal that is lower than expected.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0113 may mean the ECM is interpreting the intake air temperature sensor 1 signal as abnormally cold, which can correspond to a high-voltage condition on that sensor circuit.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0128 generally means the ECM may be seeing engine coolant temperature stay lower than expected for thermostat regulation.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0135 may indicate a possible heated oxygen sensor heater circuit problem. The heater helps the oxygen sensor reach operating temperature sooner so the engine control system can go
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0138 often means the engine control module may be seeing the heated oxygen sensor signal voltage higher than expected for that sensor circuit.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0171 often indicates the engine controller may be correcting for a lean condition on bank 1.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0191 may indicate that the engine controller is seeing fuel rail pressure sensor information that does not agree with expected fuel pressure behavior.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0201 may indicate a fuel injector control circuit problem on the affected cylinder, often involving the circuit the engine control module uses to command that injector.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0218 may mean the transmission control module is seeing transmission fluid temperature higher than expected.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0300 often means the engine control module may be seeing crankshaft speed changes that look like a misfire, without the diagnosis being limited to one specific cylinder.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0315 means the ECM may not have a learned crankshaft position variation value stored.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0325 may indicate that the engine control module is not receiving the expected Knock Sensor 1 signal.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0335 may mean the ECM is not seeing the crankshaft position sensor circuit signal it expects.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0340 may mean the engine control module is not seeing the camshaft position sensor signal it expects.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0351 may indicate a possible issue in an ignition coil primary or control circuit where the commanded circuit state and the actual circuit behavior may not agree.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0420 usually means the ECM may be seeing low catalyst efficiency on Bank 1.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0442 means the ECM may be detecting a small leak in the evaporative emissions system.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0446 may mean the EVAP system is not venting the fuel tank normally, so the fuel tank pressure reading can move outside the expected pattern during the EVAP monitor.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0455 may mean the EVAP system is not sealing well enough for the vehicle to build or hold vacuum during its leak check.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0496 means the ECM may be detecting EVAP purge flow or vacuum when purge should not be occurring.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0507 may mean the engine is idling higher than the control module wants during idle control.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0700 may mean the ECM has been asked by another control module to turn on the malfunction indicator lamp because that module has detected and stored its own fault.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0731 may mean the transmission control module sees a possible mismatch between the commanded low-gear ratio and the speed signals it uses to calculate actual ratio.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P0741 may mean the transmission control module is commanding the torque converter clutch on, but converter clutch apply may not be happening as expected.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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P1000 may indicate that a control module is seeing an incorrect message counter in serial data communication.
Article vehicle: 2014-2018 Gmc Sierra 1500 5.3 gas
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