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Well I've tried running the KOER test using the AE program.
Most times when I do the test I am parked, and e-brake engaged. The first time I got a code stating the brake wasn't in the correct position. Then when I held the brake pedel down, it would start the test, and sometimes I would engage the Tow Haul mode while holding the brake down.
Should I be running this test while driving or am doing it correctly?