Replacing the control module

Try a new alternator control module (ACM).

Remedy as necessary.

Other information 

• Replace the generator (GEN):
  • For B5xx4x, -2004, see Generator (GEN), replacing .
  • For B5xx4x, 2005-, see Generator (GEN), replacing .
  • For B6xx4x, -2004, see Generator (GEN), replacing .
  • For B6xx4x, 2005-, see Generator (GEN), replacing .

• Continue 

  Refer to Verification