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Home >> Saturn >> 2000 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1635: 5-Volt Reference Circuit >> Code Enable Criteria
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Code Enable Criteria

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Saturn SW2, 2001 Saturn SL2, 2001 Saturn SL1, 2001 Saturn SL, and 2001 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.

DTC sets when 5-volt reference signal is less than 4.66 volts or greater than 5.26 volts (except PCM service part numbers 21024985 and 21024986).

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