P1389 Diagnostic Trouble Code Discussion for December 2009
No Auto Shutdown Relay Output Voltage To PCM
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| Help Request | Posted | |
| 2004 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW48SX4 P1389: No Auto Shutdown Relay Output Voltage To PCM. p1389 power at relay and relay good what is the pinout info at pcm to test wiring before i replace the pcm |
December 15, 2009 |
