[SOLVED] Dodge P0842 Code: Fix Low Transmission Fluid Pressure Fast

The OBD code P0842 for Dodge indicates a transmission fluid pressure sensor/switch ‘A’ circuit issue.

This affects the transmission system.

Symptoms include the Engine Light being ON.

Low transmission fluid level, dirty fluid, faulty sensor/switch, or wiring/connectors can cause it.

It’s a moderate issue.

To fix, inspect and repair any damaged components, wiring, or connectors related to the sensor/switch circuit.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

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Symptoms of the Dodge p0842 OBD Code

The Dodge P0842 fault code typically indicates a problem with the transmission fluid pressure sensor circuit.

Symptoms: Engine Light ON.
Possible harsh shifting from the transmission.
Difficulty shifting gears.
Transmission slipping.

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Causes of the Dodge p0842 OBD Code

Possible reasons for Dodge fault code P0842 include issues with the transmission fluid pressure sensor circuit.

P0842 can be caused by a 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.

Fixing Dodge Error Code p0842 Step By Step

Replace the transmission fluid pressure sensor switch for fault code P0842 on a Dodge vehicle.

To fix the Dodge OBDII code P0842, start by reviewing the possible causes mentioned above.
Visually examine the transmission fluid pressure sensor/solenoid wiring harness and connectors for any damage.
Check the connector pins for signs of being broken, bent, pushed out, or corroded.
If any issues are found, repair or replace the damaged components as necessary.
Clear the fault code from the vehicle’s computer using a scan tool.
Test drive the vehicle to see if the code returns.
If the code persists, consider replacing the transmission fluid pressure sensor/solenoid.

Cost Of Fixing Dodge p0842 Fault Code

Diagnosing and repairing fault code P0842 on a Dodge typically involves inspecting and possibly replacing the transmission fluid pressure sensor.

The cost to diagnose and fix the Dodge OBD code P0842 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.

The total cost depends on labor rates, shop fees, and the complexity of the transmission pressure switch circuit.

Details of the Dodge p0842 OBD Code

Dodge fault code P0842 relates to transmission fluid pressure sensor circuit low.

Dodge OBD code P0842 means that there is a problem with the transmission fluid pressure sensor/switch A circuit low.

This code is triggered by the Powertrain Control Module (PCM) when it detects that the voltage signal from the transmission fluid pressure sensor/switch A is below the expected range.

This sensor is typically located inside the transmission and monitors the fluid pressure to ensure proper operation of the transmission.

When the voltage signal is too low, it can indicate issues with the sensor itself, wiring, or the transmission fluid pressure control system.

Mechanic’s Tech Notes

Detailed information on diagnosing and repairing Dodge fault code P0842 related to transmission fluid pressure sensor/switch ‘A’ circuit low.

To diagnose and fix OBDII code P0842 in a Dodge, start by checking the transmission control module (TCM) power and ground using a multimeter.

Ensure proper voltage levels are present.

Use a scan tool to confirm TCM communication over the Controller Area Network (CAN) network.

If communication issues are detected, consider reprogramming or reflashing the TCM.

Additionally, inspect the wiring harness and connectors for any damage, and check connector pins for signs of corrosion, bending, or breakage.

Address any issues found during the inspection to resolve the P0842 fault code effectively.

FAQ

1. What are the common symptoms associated with OBD code P0842 in a Dodge vehicle?

Common symptoms of OBD code P0842 in a Dodge vehicle include Engine Light ON, caused by issues like low transmission fluid, faulty Transmission Fluid Pressure Sensor/Switch ‘A’. Fix: Inspect and repair related components.

2. What is the typical cause of OBD code P0842 in a Dodge vehicle?

The typical cause of OBD code P0842 in a Dodge vehicle is a faulty Transmission Fluid Pressure Sensor/Switch ‘A’ or related wiring issues.

3. How can I diagnose and repair OBD code P0842 in my Dodge vehicle?

Diagnose and repair OBD code P0842 in Dodge: Check transmission fluid level, inspect sensor and wiring for damage. Repair as needed to resolve issue.

Wrap Up

If your Dodge is displaying OBD code p0842 and experiencing shifting issues or slipping transmission, it may be caused by a faulty transmission fluid pressure sensor/switch, low transmission fluid level, or damaged wiring/connectors in the transmission fluid pressure sensor circuit.

To address Dodge OBD code p0842, check the transmission fluid level and condition, inspect the wiring and connectors related to the transmission fluid pressure sensor/switch, and replace the sensor if necessary.

Ensure proper connection and integrity of the wiring harness to resolve the issue effectively.