P1389 Diagnostic Trouble Code Discussion for September 2007
No Auto Shutdown Relay Output Voltage To PCM
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| Help Request | Posted | |
| 2000 Jeep Grand Cherokee Laredo 4.0L No Start, MIL Lamp on VIN: 1J4GW48SOY P1389: No Auto Shutdown Relay Output Voltage To PCM. Cranks but no start. Code P1389 No ASD output voltage @ the PCM. The 15Amp #26 injector fuse was blown & blows immediately upon replacing.The fuel pump relay is being powered up but the injector fuse keeps blowing. I have unplugged the O2 sensor fuse since... |
September 04, 2007 |
