2000 Volvo S40 Error codes

Tiny
ROBERT224
  • MEMBER
  • 2000 VOLVO S40
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 189,000 MILES
I took my Volvo and had it hooked up to a computer. The computer read off the following codes. P0133, p1618, p0500, and p0128. I know that one is the o2 sensor and the other is the speed sensor, but can you tell me what the p1618 and the p0128 is? I can't find anyone who knows.

Thank you!
Sunday, April 25th, 2010 AT 5:06 PM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,408 POSTS
128 is for engine coolant temperature sensor faulty signal. Mot likely fault will be a faulty thermostat. You my also need a software update if one is available? Your other code I am not familiar with. You would need Volvo to actually scan the codes to see what the Volvo code actaully is? Most likely, it is going to be related to a transmission control module fault code? For that you need a good scanner that can actually read transmission control module codes.
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Sunday, April 25th, 2010 AT 11:28 PM

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