Intake Cam Position Timing Over Retarded – Bank 2
Description:
How does a P0022 code trigger the check engine light? This code will trigger the check engine light under the following condition:
The comprehensive component monitor, referred to as the CCM, monitors the Variable Camshaft Timing (VCT) position for over-retarded cam timing. If the cam timing exceeds a maximum calibrated limit or is stuck in a retarded position, the check engine light will come on and set this trouble code.
Possible Causes:
Incorrect camshaft timing
VCT solenoid valve stuck open or continuous oil flow to piston chamber
Camshaft advance mechanism binding, or faulty VCT unit
Diagnostic Help:
This check engine light code is caused by a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Possible symptoms may include rough idle, stall or hard start. Refer to manufacturer specific component tests for the VCT unit. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
Intake Cam Position Timing Over Advanced – Bank 2
Description:
How does a P0021 code trigger the check engine light? This code will trigger the check engine light under the following condition:
The comprehensive component monitor, referred to as the CCM, monitors the Variable Camshaft Timing (VCT) position for over-advanced cam timing. If the cam timing exceeds a maximum calibrated limit or is stuck in an advanced position, the check engine light will come on and set this trouble code.
Possible Causes:
Incorrect camshaft timing
VCT solenoid valve stuck open or continuous oil flow to piston chamber
Camshaft advance mechanism binding, or faulty VCT unit
Diagnostic Help:
This check engine light code is caused by a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Possible symptoms may include rough idle, stall or hard start. Refer to manufacturer specific component tests for the VCT unit. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
Variable Camshaft Timing Over Retarded – Bank 1
Description:
How does a P0012 code trigger the check engine light? This code will trigger the check engine light under the following condition:
The comprehensive component monitor, referred to as the CCM, monitors the Variable Camshaft Timing (VCT) position for over-retarded cam timing. If the cam timing exceeds a maximum calibrated limit or is stuck in a retarded position, the check engine light will come on and set this trouble code.
Possible Causes:
Incorrect camshaft timing
VCT solenoid valve stuck open or continuous oil flow to piston chamber
Camshaft advance mechanism binding, or faulty VCT unit
Diagnostic Help:
This check engine light code is caused by a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Possible symptoms may include rough idle, stall or hard start. Refer to manufacturer specific component tests for the VCT unit. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
Intake Cam Position Timing Over Advanced – Bank 1
Description:
How does a P0011 code trigger the check engine light? This code will trigger the check engine light under the following condition:
The comprehensive component monitor, referred to as the CCM, monitors the Variable Camshaft Timing (VCT) position for over-advanced cam timing. If the cam timing exceeds a maximum calibrated limit or is stuck in an advanced position, the check engine light will come on and set this trouble code.
Possible Causes:
Incorrect camshaft timing
VCT solenoid valve stuck open or continuous oil flow to piston chamber
Camshaft advance mechanism binding, or faulty VCT unit
Diagnostic Help:
This check engine light code is caused by a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Possible symptoms may include rough idle, stall or hard start. Refer to manufacturer specific component tests for the VCT unit. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instructions.
Other DTC ranges are defined for either manufacturer specific codes or under the control of SAE (Society of Automotive Engineers) and not yet defined. This section documents these additional ranges. Refer to your vehicle’s repair manual for manufacturer specific Diagnostic Trouble Codes.
P09XX Transmission
P1XXX Manufacturer Controlled
P10XX Fuel and Air Metering and Auxiliary Emission Controls
P11XX Fuel and Air Metering
P12XX Fuel and Air Metering
P13XX Ignition System or Misfire
P14XX Auxiliary Emission Controls
P15XX Vehicle Speed, Idle Control, and Auxiliary Inputs
P16XX Computer and Auxiliary Outputs
P17XX Transmission
P18XX Transmission
P19XX Transmission
P2XXX SAE Controlled DTCs
P20XX Fuel and Air Metering and Auxiliary Emission Controls
P21XX Fuel and Air Metering and Auxiliary Emission Controls
P22XX Fuel and Air Metering and Auxiliary Emission Controls
P23XX Ignition System or Misfire
P24XX SAE Reserved
P25XX SAE Reserved
P26XX SAE Reserved
P27XX SAE Reserved
P28XX SAE Reserved
P29XX SAE Reserved
P3XX Manufacturer Controlled and SAE Reserved
P30XX Fuel and Air Metering and Auxiliary Emission Controls
P31XX Fuel and Air Metering and Auxiliary Emission Controls
P32XX Fuel and Air Metering and Auxiliary Emission Controls
P33XX Ignition System Misfire
P34XX SAE Reserved
P35XX SAE Reserved
P36XX SAE Reserved
P37XX SAE Reserved
P38XX SAE Reserved
P39XX SAE Reserved
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