P1602 Diagnostic Trouble Code Discussion for February 2008
Powertrain Control Module Not Programmed
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| Help Request | Posted | |
| 1999 Chevrolet S10 2.2L MIL Lamp on, loss communication VIN: 1GCC5144XX P1602: serial communication problem device 2. vehicle came in with injector circuit code. #4 inj. hung open ecm inj. #4 holding replaced ecm relearned security & crank sensor. problem solved. now no fuel guage, rear abs sensor/speedometer, battery light is on, other guages work. checked all fuses ok. ... |
February 20, 2008 | |
| 1998 Chevrolet Malibu 3.1L power condition VIN: 1G1ND52M2W P1602: Loss Communications with EBTCM. vehicle has lost power for items run off of ignition power, like blower motor turn signals etc. and it only happens to the cusomer, never in my shop, all i get are the codes, customer complains of no heat and other things related to power loss , all testing of... |
February 22, 2008 |
