[SOLVED] Dodge P0693 Code: Fast Fix For Low Cooling Fan 2 Control

The OBD code P0693 for Dodge indicates a problem with the Fan 2 Control Circuit High.

This affects the radiator fan operation, leading to symptoms like the engine light being on, inoperative radiator fan, and engine overheating.

Common causes include a faulty Fan 2 Relay, wiring issues, or a defective Engine Control Module.

This issue is serious as it can result in engine overheating.

To fix it, inspect and repair any damaged wiring or connectors related to the Fan 2 Relay circuit.

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

Symptoms of the Dodge p0693 OBD Code

The Dodge P0693 fault code indicates a problem with the engine control module power relay control circuit.

Symptoms: Engine Light ON.
Radiator fan inoperative.
Engine Overheating.

Causes of the Dodge p0693 OBD Code

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Possible triggers for Dodge fault code P0693 include faulty sensor wiring or a defective ECM relay.

P0693 can be caused by a faulty Fan 2 Relay.
A Fan 2 Relay harness that is open or shorted.
A Fan 2 Relay circuit with poor electrical connection.
A faulty Fan 2.
A Fan 2 harness that is open or shorted.
A Fan 2 circuit with poor electrical connection.
A faulty Engine Control Module (ECM).

Fixing Dodge Error Code p0693 Step By Step

Address the issue by inspecting the sensor power supply circuit for Dodge code P0693.

To fix the Dodge OBDII code p0693, start by reviewing the possible causes mentioned above.
Visually examine the wiring harness and connectors related to the fuel rail pressure sensor circuit.
Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
If no visible issues are found, test the fuel rail pressure sensor using a multimeter to ensure it is functioning correctly.
Replace the fuel rail pressure sensor if it fails the test.
Clear the fault codes using an OBDII scanner and test drive the vehicle to verify the repair.

Cost Of Fixing Dodge p0693 Fault Code

The repair for Dodge fault code P0693 may involve replacing the ECM power relay.

The cost to diagnose and fix the Dodge OBD code P0693 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 repair needed.

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Details of the Dodge p0693 OBD Code

Dodge fault code P0693 relates to an issue with the fuel pump control module relay.

Dodge OBD code P0693 means that the ECM/PCM Power Relay Control Circuit Low has a problem.

This code is triggered when the ECM detects a low voltage condition in the power relay control circuit.

The power relay control circuit is responsible for providing power to the ECM/PCM.

When the voltage in this circuit drops below a specified threshold, the ECM sets code P0693. This code is specific to Dodge vehicles and can indicate issues with the power relay, wiring, or connectors related to the ECM/PCM power supply.

Mechanic’s Tech Notes

Detailed information on Dodge fault code P0693, including possible causes and diagnostic steps for resolution.

To diagnose and fix OBDII code P0693 in a Dodge, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) using a scan tool.

If the TCM does not respond, reprogramming or reflashing may be necessary.

Additionally, visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.

This thorough inspection will help identify and address the root cause of the P0693 code.

FAQ

1. What does OBD code P0693 mean in a Dodge vehicle?

OBD code P0693 in a Dodge means a problem with Fan 2 Relay circuit. Symptoms include Engine Light ON, inoperative radiator fan, and engine overheating.

2. What are the common symptoms associated with OBD code P0693 in a Dodge vehicle?

Common symptoms of OBD code P0693 in a Dodge vehicle include Engine Light ON, inoperative radiator fan, engine overheating. Causes may include faulty relay or wiring issues.

3. How can I diagnose and repair OBD code P0693 in my Dodge vehicle?

Diagnose and repair OBD code P0693 in Dodge: Check Fan 2 Relay, harness, and connections for faults. Inspect ECM. Review and visually examine wiring for damage.

Wrap Up

If your Dodge is displaying OBD code p0693 and experiencing issues with the Engine Control Module (ECM) power supply voltage low, it could be caused by a faulty ECM power relay control circuit, a defective ECM power relay, or a wiring issue in the ECM power supply circuit.

To address Dodge OBD code p0693, check the ECM power relay and its control circuit for proper operation.

Inspect the wiring harness for any damage, corrosion, or loose connections that may be affecting the ECM power supply voltage.

Consider replacing the ECM power relay if necessary to resolve the low voltage issue.