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Conditions For Clearing MIL/DTC

PCM will turn the MIL OFF on the third consecutive trip cycle during which the diagnostic has been run and the fault condition is no longer present.
A history DTC P1636 will clear after 40 consecutive trip cycles during which the warm up cycles have occurred without a fault.
DTC P1636 can be cleared using the TECH 2 CLEAR Info function or by disconnecting the PCM battery feed.