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P1602 Diagnostic Trouble Code Discussion for June 2010

Powertrain Control Module Not Programmed

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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
2000 Volkswagen Passat GLS 2.8L Hesitation, Surge VIN: WVWVD23B2Y
P1602: Power supply b terminal 30low voltage. ... VW Passat Wagon. When driving the car mainly between 30-50 mph. the car jerks & hesitates (we believe it is downshifting and up shifting). We test drove car and observed that the tach. bounces up and down 200 rpm while the speed is constant. However, t...
June 18, 2010
2002 Mazda Miata 1.8L Cuts out, Stall VIN: JMINB35372
P1602: PCM Communication Line To Immobilizer Error. ... gurus. Car stalls when hot, must have hood down for higher temperature. When trying to restart, will not start right away, a little hesitation, a little stumbling then eventually will fire may run for a while or may stall right away. But definitely tempera...
June 28, 2010