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Home >> Oldsmobile >> 1993 >> Ninety-Eight Regency >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L >> ECM/Pcm Code Charts >> Code 26 - Quad-Driver "A" Error (3.8L "W" Body)(3 Of 4) >> Notes
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Code 26 - Quad-Driver "A" Error (3.8L "W" Body)(3 Of 4): Notes

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. 3)  This step will determine which circuit is out of specification. If all circuits check out okay, the in-line resistor (used in place of the hot light) and related wiring should be checked. The in-line resistor is taped into the engine harness between the engine electrical center and the PCM pigtails, about 2" from the PCM pigtail junction.