Question about Cars & Trucks
Runs,has no power,check enging light on,need to know how to pull codes and beable to read them
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Posted on Jan 02, 2017
SOURCE: eng light comes on and code 1887
The code P1887 is an indication of a malfunction with the TCC release switch.
The Torque Converter Clutch (TCC) release switch is part of the Automatic Transmission Fluid Pressure Manual Valve Position Switch (TFP Val. Position Sw.). The TFP Val. Position Sw. is mounted to the transmission valve body. The switch is normally-closed. The switch signals the Powertrain Control Module (PCM) that the TCC is released. This is accomplished by Torque Converter release fluid pressure acting on the switch contact, thus opening the switch. When the voltage is high on the circuit, the Powertrain Control Module recognizes that the TCC is no longer engaged.
When the PCM determines that the TCC release switch is open (indicating that the TCC is not applied) and the TCC slip speed indicates that the TCC is applied, then DTC P1887 sets.
Posted on Oct 11, 2008
there is a jumper wire on the passenger side kick panel, short this wire with a paper clip and turn your ignition to run, the CEL check engine light will flash the number of the trouble code,
long flashes = 10's
short flashes = 1's
so a code read like this
would be 35
there will be short pauses between flashes and a long pause between separate codes,
hope this helps
Posted on Feb 17, 2009
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The check engine light/service engine soon (yellow light) comes only when the computer control unit (called the PCM) senses a fault in the electronic controls of the engine and/or the emission system u will seldom feel the car engine run any different, there are about 200 possible faults that turn the light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.
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