What is OBD II code P1406 and how can I fix it?

Tiny
NATE_81
  • 1996 PONTIAC GRAND AM
  • 184,500 MILES

I just bought a1996 Pontiac Grand Am Gt with the 3100 V6. It has a few problems that I can fix that are easy, but and thankfully it only has one code coming up and that is P1406. I have tried to look up this code but I am getting no were quick. Can you help me figure out what this is and how I might be able to fix the problem. Thank you

Do you
have the same problem?
Yes
No
Tuesday, February 28th, 2012 AT 1:02 AM

1 Reply

Tiny
BILLYMAC
  • EXPERT
  • 2,240 POSTS

P1406 Heated Catalyst Internal Control Module Checksum/ROM Error
this is a code for ecm computer internal failure

Was this
answer
helpful?
Yes
No
Tuesday, February 28th, 2012 AT 1:19 AM

Please login or register to post a reply.

Other P1406 Questions