Applicable Systems
OBD-II
Symptoms
The flow or operation is outside the expected parameters. The system cannot maintain proper control.
Possible Causes
- Flow restriction or blockage in the circuit
- Actuator or valve not operating correctly
- Sensor reading inaccurate causing wrong control action
Troubleshooting Steps
- Step 1: Inspect flow path for restrictions
Restriction identified and removed - Step 2: Test actuator and valve operation
Actuator and valve operating correctly - Step 3: Verify sensor readings against expected values
Sensor readings confirmed accurate
How to Reset
To reset: Clear the DTC after restoring proper flow or operation.
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Source: SAE J2012 OBD-II Diagnostic Trouble Codes, SAE International
Category: OBD-II
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