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2003 Chevrolet Impala 3.4L No Start
Posted to GM Driveability on 8/5/2014 11 Replies

Hi all,

Got this Impala towed in this morning as a no start. No crank until I jump the starter relay, then no fuel after a second. Scanned for codes and the PCM won’t communicate with the scanner. All other modules communicate and most have codes for missing ...

11 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Impala

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52EX3
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

U1000Class 2 Communication Malfunction
U1016Serial Communications Malfunction
U1255Class 2 Communication Malfunction
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52EX3
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

U1000Class 2 Communication Malfunction
U1016Serial Communications Malfunction
U1255Class 2 Communication Malfunction