P1394 Engine Error Code

When you check engine light came on code P1394 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1394 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.

P1394 Code Symptoms

P1394 OBD2 may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

P1394 OBD-II Diagnostic Powertrain (P) Trouble Code Description P1394 OBD-II Trouble Code Glow Plug Circuit High Input Bank 2 is one of the definitions for the P1394; however your vehicles manufacturer may have a different definition for the P1394 code. Please check below for your specific P1394 Code Review : The reason of P1394 OBD-II Engine Error Code is P1394 Glow Plug Circuit High Input Bank 2.

P1394 Code Dictionary Meaning:

- 1 - MFG - Manufacturer Specific 3 - IC Module 4X Ref Circuit Intermittent, No Pulses 9 - TP Sensor Learn Not Complete 4 - Cruise Vehicle Speed/Set Speed Difference Too High

How long can you drive with a P1394 code ?

If your vehicle is displaying a P1394 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations