P1388 Diagnostic Trouble Code Discussion for May 2010
Auto Shutdown Relay Control Circuit Malfunction
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| Help Request | Posted | |
| 2002 Dodge Ram 1500 SLT 5.9L MIL Lamp on VIN: 1D7HU18Z32 P1388: Auto shutdown control. i turned the key off and on 3 times and got a evap code p0443 still cant communicate.i went right for the comm.bus line at the aldl its should have 7.5 volts on pin 2 i have .558 to 1.345 volts, communication will make the volts jump up and down but according ... |
May 01, 2010 | |
| 2002 Dodge Ram 1500 SLT 5.9L MIL Lamp on VIN: 1D7HU18Z32 P1388: Auto shutdown control. i turned the key off and on 3 times and got a evap code p0443 still cant communicate.i went right for the comm.bus line at the aldl its should have 7.5 volts on pin 2 i have .558 to 1.345 volts, communication will make the volts jump up and down but according ... |
May 02, 2010 |
