C1201 Diagnostic Trouble Code Discussion for April 2014
Engine Control System Malfunction
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| Help Request | Posted | |
| 2011 Toyota Tacoma Pre Runner 4.0L MIL Lamp on, inop tachometer VIN: 5TFKU4HN4B C1201: Engine Control System Malfunction. Tested for open/shorts between ICM(C9 w19 ) and PCM (E13)with NPF. Disconnected all related modules to spd circuit and performed pinpoint test for input and output signal. Found input to vary but has a steady output of 5 volts. After reinstalling the instrum... |
April 03, 2014 |
