What does the code P1494 mean?
OBD II fault code P1494 is a manufacturer specific code that is defined by car makers Chrysler, Dodge, Jeep, and Plymouth as “EVAP Leak Detection Pump Pressure Switch Condition”, or sometimes as “Leak Detection Pump SW or Mechanical Fault”, or less often as “Mechanical Incorrect input state detected for the Leak …
What is code p1494 for leak detection pump?
Nonetheless, as stated before, code P1494 is less concerned with leaks in the EVAP system than it is with whether the Leak Detection Pump is working or not.
When does code p1494 set in Powertrain Control Module?
Note however that the above definitions all have the same basic meaning, which is that code P1494 sets when the PCM (Powertrain Control Module) has detected a malfunction in the LDP ( [EVAP] Leak Detection Pump) itself, as opposed to when a leak in the EVAP system is detected.
What are the symptoms of stored trouble code p1494?
Apart from a stored trouble code and an illuminated warning light, the only other noteworthy symptoms of code P1494 may be the presence of a strong fuel odor as vapors are released from leak sites, and that the vehicle may not pass an emissions test. Note that this code very rarely produces driveability issues.
Do you need to know the non critical DTC code?
While these DTC fault codes do not need urgent solutions, they still require proper attention. This includes emissions-related faults that don’t lead to excessive pollution. Non-critical codes include those that light up the Malfunction Indicator Lamp (MIL), also known as the Check Engine Light.
Nonetheless, as stated before, code P1494 is less concerned with leaks in the EVAP system than it is with whether the Leak Detection Pump is working or not.
What does the p1494 code on a jeep mean?
P1494 JEEP Meaning The Evaporative emissions system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system ca allow vapors to escape into the atmosphere.
Note however that the above definitions all have the same basic meaning, which is that code P1494 sets when the PCM (Powertrain Control Module) has detected a malfunction in the LDP ( [EVAP] Leak Detection Pump) itself, as opposed to when a leak in the EVAP system is detected.
Apart from a stored trouble code and an illuminated warning light, the only other noteworthy symptoms of code P1494 may be the presence of a strong fuel odor as vapors are released from leak sites, and that the vehicle may not pass an emissions test. Note that this code very rarely produces driveability issues.