P1694 Jeep Code - No Messages Received From The Powertrain Control Module
Quick Answer
The P1694 code for Jeep vehicles indicates that no messages are being received from the Powertrain Control Module (PCM). Common causes include Loose or corroded electrical connections, Damaged wiring harness or connectors, Faulty modules within the communication network. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1694 Jeep indicates No Messages Received From The Powertrain Control Module.
- Common causes
- Common causes include Loose or corroded electrical connections, Damaged wiring harness or connectors, Faulty modules within the communication network.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1694 Jeep Description
The P1694 code for Jeep vehicles indicates that no messages are being received from the Powertrain Control Module (PCM). The PCM is a vital component of a vehicle's engine management system, responsible for controlling various functions such as fuel injection, ignition timing, and emissions. When communication between the PCM and other modules is disrupted, it can lead to a range of issues affecting the vehicle's performance and drivability.
Common Causes of P1694 Jeep
- Loose or corroded electrical connections.
- Damaged wiring harness or connectors.
- Faulty modules within the communication network.
- Malfunctioning Powertrain Control Module (PCM).
- Software issues affecting communication protocols.
Symptoms of P1694 Jeep
- Check engine light illuminated on the dashboard.
- Poor fuel economy.
- Rough idling or engine misfires.
- Hesitation or lack of power during acceleration.
- Stalling or difficulty starting the vehicle.
How to Fix P1694 Jeep
- Perform a thorough visual inspection of the wiring harness, connectors, and modules related to the communication network.
- Use a diagnostic scan tool to retrieve and analyze data from the PCM and other modules to identify the source of the communication failure.
- Repair or replace any damaged wiring, connectors, or modules as necessary.
- Clear the diagnostic trouble codes from the PCM memory and retest the system to ensure proper communication is restored.
- If the issue persists, consider reprogramming or replacing the PCM to address any internal faults causing the communication breakdown.
Cost to Fix P1694 Jeep
The typical repair costs for addressing the P1694 code can vary depending on the specific cause of the communication failure and the required repairs. In general, the estimated cost for this issue can range from $200 to $500, including parts and labor. However, it's essential to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Therefore, it's recommended to consult with a professional mechanic to obtain a more accurate estimate based on the individual circumstances.
Need more information about the P1694 Jeep code?
Need more information on how to fix the P1694 Jeep code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1694 Jeep code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1694 Jeep Code
No Frequently Asked Questions about P1694 Jeep Code found.
Discuss the causes and fixes for P1694 Jeep OBDII Code
Code P1694 Jeep comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.