× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2002 Chevrolet Impala LS 3.8L MIL Lamp on
Posted to GM Driveability on 7/1/2013 7 Replies

hello all Iget these codes relating to the 5 volt ref for the PCM.I have checked for the 5v on each of the sensors,fuel tank pressure sensor,A/C high side pressure sensor,EGR valve ,TPS,and MAP sensor all [...] I disconnect one at a time and start car both the...

7 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Impala LS

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Impala LS

VIN 2G1WH55K12
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P16355-Volt Reference 'A' Circuit Malfunction
P1639TCM Internal - CAN 2 RAM Performance
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Impala LS

VIN 2G1WH55K12
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P16355-Volt Reference 'A' Circuit Malfunction
P1639TCM Internal - CAN 2 RAM Performance