Impala 2004

Question

Can't find codes for 2004 impala po446 po134b 135b 1811c

Answer 1

I check the factory service manual and I can't find the "P0134b" but found "P0134", neither the 135b or 1811c.

Please double check the code number or check with another scanner.

P0446 CHEVROLET - Evaporative Emission Vent System Performance
Read more: https://www.autocodes.com/p0446_chevrolet.html

P0134 CHEVROLET - HO2S Circuit Insufficient Activity Bank 1 Sensor 1
Read more: https://www.autocodes.com/p0134_chevrolet.html

P0135 CHEVROLET - HO2S Heater Performance Bank 1 Sensor 1
Read more: https://www.autocodes.com/p0135_chevrolet.html

P1811 CHEVROLET - Maximum Adaptive & Long Term Shift
Read more: https://www.autocodes.com/p1811_chevrolet.html