Engine-Codes - Oldsmobile - P0842 OLDSMOBILE

P0842 OLDSMOBILE Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0842 OLDSMOBILE code possible causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Transmission Fluid Pressure Sensor/Switch 'A'
  • Transmission Fluid Pressure Sensor/Switch 'A' harness or connectors
  • Transmission Fluid Pressure Sensor/Switch 'A' circuit is open or shorted
  • Transmission internal mechanical problem

|How is the P0842 OLDSMOBILE code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|P0842 OLDSMOBILE code tech notes

There is a factory service bulletin for the following Oldsmobile Models:
2001-2002 Oldsmobile Intrigue
2001-2003 Oldsmobile Silhouette
2001-2004 Oldsmobile Silhouette EXT
Oldsmobile Factory Service Bulletin OBDII Code P0842

|What is the cost to diagnose the P0842 OLDSMOBILE code

Labor: 1.0

The cost to diagnose the P0842 OLDSMOBILE code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0842 OLDSMOBILE code possible symptoms?

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

|What is P0842 OLDSMOBILE code meaning?

The Torque Converter Clutch (TCC) release switch is part of the automatic Transmission Fluid Pressure (TFP) manual valve position switch. The TFP manual valve position switch is mounted to the transmission valve body. The TCC release switch is a normally-closed switch.
When the TCC is released, TCC release fluid pressure opens the TCC release switch which opens the TCC release pressure circuit. When the voltage on the circuit is high (switch open), the Powertrain Control Module (PCM) recognizes that the TCC is no longer engaged.

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