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2000 Saturn LS2 3.0L MIL Lamp on
Both P1779/P1780 appear to deal with comm. between ECM and TCM on the CAN network. Cannot find problem with PNP sw. inputs to either ECM or TCM. Have perfect continuity between ECM and TCM on tan and tan w/black wires(CAN network) No TCM codes, clear ECM code ...
FIX posted 8/25/2005
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Message Closed
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Related Documents & Media | VIN | 1G8JW52R7Y |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1780 | Shift Control System Malfunction |
Message Closed
Vehicle Data
2000 Saturn LS2
| VIN | 1G8JW52R7Y |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1780 | Shift Control System Malfunction |
Video