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Home >> Suzuki >> 2002 >> Vitara JLS, 4D Utility, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0138 Or P0140 >> Condition
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DTC P0138 Or P0140: Condition

DTC is set when Power Control Module (PCM) detects maximum HO2S No. 2 voltage input is to high or too low. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are: