Jetta Wagon L4-1.9L DSL Turbo (ALH) (2003)
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Switch ignition off and then on again.
NOTE: The coding entered will be activated by switching the ignition off and then on again. If after entering the valid code the ignition is not switched
off and on again, the fault "Control unit incorrectly coded" in the fault memory cannot be erased.
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Check DTC memory and, if necessary, repair any malfunctions and then erase.
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Read-out the readiness code. If the DTC memory has been erased or the Diesel Direct Fuel Injection Engine Control Module -J248- was
disconnected from permanent battery positive (B+), the readiness code must be generated again.
