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Codes C0040, C0899 and P0528

Tiny
UNJARSKI90
  • MEMBER
  • 2009 CHEVROLET IMPALA
  • 3.9L
  • V6
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
I brought a new battery, alternator, starter, spark plugs, and water pump but my battery light still comes on and shuts off after 5 minutes of driving. AutoZone gave me the codes C0040, C0899, and P0528.
Saturday, August 10th, 2019 AT 2:25 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

The PCM can't control the cooling fan, it will trigger the P0528 code. So it sounds like the fan motor is bad. The other codes are ABS and indicate you have a failed ABS module. The charging system diagram is attached. Check the voltage at the back big terminal of the alternator for power.

Did AutoZone check the charging system?

C0899 Electronic Brake Control Module (EBCM)

C0040 Electronic Brake Control Module (EBCM) Right Front Wheel Speed Sensor (WSS) Wheel Speed Sensor (WSS) Harness Poor Connection.
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Saturday, August 10th, 2019 AT 3:57 PM

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