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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM & Rem Diagnostic Trouble Codes - 8 Of 12 >> CEM-6C49: Transponder Communication. Faulty Signal (2005-2006) >> Faulty signal >> Checking start

Checking start

Use the same key which previously could not start the engine. Carry out three more start attempts.

HINT: If the start attempts are carried out in quick succession, remove the key from the ignition switch for at least two seconds between each start attempt. Otherwise a new transponder check will not be carried out. (If the key is left in the ignition switch between each start attempt, a new transponder check will not occur until the ignition has been switched off for approximately 30 seconds.). 

One of the following may occur:

  1. The engine starts every time

    Refer to Communication 

  2. The engine starts at least once

    Refer to Damaged transponder 

  3. The engine does not start.

    Refer to Incorrect key