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Home >> Isuzu >> 1989 >> Impulse L4-2.3L (4ZD1) >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Engine Control System >> DTC 26

DTC 26

Code 26 indicates output terminal shorted or open circuit.
Code 27 indicates defective ECM transistor or grounding system.

Codes 26 & 27 Diagnostic Chart:

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