Step 2 - after ABS running ABS Diagnostic is check EBCM and PCM grounds
for good connection and
Step 3 is Check for intermittant wiring connections.

On 1/6/2012 9:39 AM, FBNE wrote:
> I installed a new ABS module during the summer and solved my C1214 code
> problem. Recently it began a series of codes about every third or fourth
> start. The codes this go around are 1689, 1241, 1248, 1265, 1266, 1267,
> 1268, 1276. I have the description for all of them but was wondering if
> anyone knows if this points to a common ground point or another area I
> should look for. I can clear the codes while driving and they generally
> don't reappear until a follow-up start. The car is a 2001 C5. Thanks. Chris