P000B - Exhaust B Camshaft Position Slow Response Bank 1
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P000B - EXHAUST B CAMSHAFT POSITION SLOW RESPONSE BANK 1
| Description:
The PCM monitors and evaluates the response of the actual position on a target position change. The setpoint and camshaft position are saved at the beginning of a setpoint change. If this change over time is large enough (gradient), the camshaft phasing change is evaluated. If the change after the diagnostic time is smaller than a threshold, a slow response is detected, and if the value is greater, then there is no concern. By detecting a concern, an antibounce counter is incremented otherwise the counter is decremented. This DTC sets when the counter exceeds an adjustable limit. |
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Possible Causes:
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| Diagnostic Aids:
This DTC may be accompanied by other DTCs. Diagnose all camshaft position (CMP) sensor DTCs first. If no CMP sensor related DTCs are present, continue to follow diagnosis for this DTC. This DTC is a functional check of the VCT unit. Diagnose any base engine concerns related to the engine oil pressure or engine timing. Refer to the Engine System, Oil Pressure Test, to check the engine oil pressure. Refer to the Engine, Timing Drive Components, to check the engine timing and VCT phasers. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HK: VARIABLE CAMSHAFT TIMING (VCT) . | ||