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LS 600hL
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Engine Control System - DTC P1340 - P3190, DTC U0293
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DTC P1438: HCAC System Variable Valve Circuit Low
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Monitor Strategy
Monitor Strategy
MONITOR STRATEGY
Related DTCs
P1438 HCAC VSV circuit (low voltage)
Required Sensors/Components (Main)
HCAC VSV
Required Sensors/Components (Related)
-
Frequency of Operation
Continuous
Duration
5 seconds
MIL Operation
Immediate
Sequence of Operation
None