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P1887 PONTIAC

P1887 PONTIAC - Torque Converter Clutch Release Switch Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Torque Converter Clutch (TCC) Release Switch
  • Torque Converter Clutch (TCC) Release Switch harness is open or shorted
  • Torque Converter Clutch (TCC) Release Switch circuit poor electrical connection

Tech notes

There is a factory service bulletin fo the following Pontiac models:
2000-2004 Pontiac Aztek
Pontiac Factory Service Bulletin OBDII Code P1887

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1887 Pontiac Description

With the engine speed over 500 rpm, TR switch in D4, Torque Converter Clutch (TCC) commanded on, TCC slip speed is -20 to +40, the Powertrain Control Module (PCM) detects that TCC Release pressure was present (the switch is open).
OBDII Code P1887 Pontiac - Torque Converter Clutch Release Switch Circuit - AutoCodes.com

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P1887 PONTIAC Comments

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