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P1602 Diagnostic Trouble Code Discussion for February 2009

Powertrain Control Module Not Programmed


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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
2000 Pontiac Bonneville SE 3.8L Poor Fuel Economy VIN: 1G2HX54K8Y
P1602: Loss of electronic brake traction control module serial data. Customer brought this car in with the complaint that the fuel milage dropped from 30 mpg to 20 mpg. He changed plugs and cleaned the MAF sensor with no improvment. All the codes I found were history codes. No current codes. On my test drive long term and short...
February 27, 2009
2000 Pontiac Bonneville SE 3.8L Poor Fuel Economy VIN: 1G2HX54K8Y
P1602: Loss of electronic brake traction control module serial data. Customer brought this car in with the complaint that the fuel milage dropped from 30 mpg to 20 mpg. He changed plugs and cleaned the MAF sensor with no improvment. All the codes I found were history codes. No current codes. On my test drive long term and short...
February 27, 2009