4 channel oscilloscope for CR Ultra, CR Ultra P, CR Unicorn and CR Unicorn S.
P013F fires when the downstream O2 sensor (Bank 1, Sensor 2) is too slow to transition rich-to-lean during a catalyst-monitor test...
P0884 fires when the TCM detects intermittent drops or interruptions on its battery supply — causing false neutral events, harsh shifts,...
P0914 fires when the gear shift position sensor circuit reports an electrical fault — no-start in park, random gear lockout, or...
P0556 fires when the brake booster pressure (vacuum) sensor reads outside its calibration window — risking hard brake pedal, increased stopping...
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