battery AUDI A4 1998 B5 / 1.G AWM Engine Readiness Code Workshop Manual

01-78

Readiness code is returned to "0 1 1 0 1 1 0
1" if:

DTC memory was erased,
Voltage supply to ECM was cut off (e.g.
connector disconnected, battery disconnected)
a new Engine Control Module (ECM) was
installed
In this case, readiness code must be re-
generated Page 01
-84
.

Note:
During driving operation in various load
conditions, exhaust relevant tests are performed
by the control module and the readiness code is
generated on its own. In this case, however, the
concluding control possibilities are not available,
meaning that it will not be indicated whether the
vehicle is free of malfunctions upon transfer to
the customer.
Pa
ge 2 of 43 Readiness code
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