P1681 Diagnostic Trouble Code Discussion for March 2017
Control Module Throttle Position System Performance
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| Help Request | Posted | |
| 1999 Mercedes-Benz E320 3.2L Cranks, no start VIN: WDBJF65HXX P1681: Crash Signal Implausible. ... Manually energized fuel pump at fuel pump relay socket and obtained decent fuel pressure. It appears that there is no signal coming from the ECM to close the fuel pump relay. Scanned for codes and got P1681, which I assume was due to customer going on vaca... |
March 10, 2017 | |
| 1999 Mercedes-Benz E320 3.2L Cranks, no start VIN: WDBJF65HXX P1681: Crash Signal Implausible. ... Manually energized fuel pump at fuel pump relay socket and obtained decent fuel pressure. It appears that there is no signal coming from the ECM to close the fuel pump relay. Scanned for codes and got P1681, which I assume was due to customer going on vaca... |
March 11, 2017 |
