P1596 Diagnostic Trouble Code Discussion for May 2007
Speed Control Switch Continuous High Voltage
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| Help Request | Posted | |
| 2000 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S4Y P1596: Speed Control Switch Continuous High Input. the wiring for both circuits has been checked from pcm to tps and s/c switch.the vehicle will run fine until codes set.tps signal voltage at idle will jump from .84 to 3.93 and s/c switch will no longer work.the codes will sometimes set within 5 miles or somet... |
May 02, 2007 |
