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1. #P1233 FUEL PUMP DRIVER MODULE OFF LINE DRIVER#
2. #P1233 FUEL PUMP DRIVER MODULE OFF LINE REGISTRATION#
3. #P1233 FUEL PUMP DRIVER MODULE OFF LINE CODE#
4. #P1233 FUEL PUMP DRIVER MODULE OFF LINE OFFLINE#

#P1233 FUEL PUMP DRIVER MODULE OFF LINE CODE#

In some cases, faulty factory crimps at the relay box could be causing this issue.Code: P1233 System: Powertrain (Covers functions that include engine, transmission and associated drivetrain accessories) Category: Manufacturer (The code definition is assigned by manufacturers according to their vehicle basic system differences, implementation differences, or diagnostic strategy differences. I dropped the spare tire and the FPDM is badly corroded (w/o taking it off, I. Other than throwing the code once and the temporary fuel odor, there have been no other symptoms. There was also a strong smell of fuel which oddly went away after I cleared the code.

#P1233 FUEL PUMP DRIVER MODULE OFF LINE DRIVER#

If the problem persists, technicians will now test the wiring crimp connectors. Intercooler Pump Driver Fault: P1230: Open Power to Fuel Pump circuit: P1231: High Speed Fuel Pump Relay activated: P1232: Low Speed Fuel Pump Primary circuit failure: P1233: Fuel Pump Driver Module off-line: P1234: Fuel Pump Driver Module off-line: P1235: Fuel Pump Control out of range: P1236: Fuel Pump Control out of range: P1237: Fuel Pump. Today, I got the p1233 code once (no CEL). If there is sufficient power, they will re-jumper the relay contacts and then check for power coming from the fuse box and straight to the pump. Low Speed Fuel Pump Primary circuit failure: P1233: Fuel Pump Driver Module off-line: P1234: Fuel Pump Driver Module off-line: P1235: Fuel Pump Control out of range: P1236: Fuel Pump Control out of range: P1237: Fuel Pump Secondary circuit fault: P1238: Fuel Pump Secondary circuit fault: P1239: Speed Fuel Pump Positive Feed Fault: P1243 Second. If that doesn’t fix the problem, technicians will now check for power coming into the relay. If the connector is not getting power, technicians will pull the fuel pump relay (or change I with another relay with the same part number) or jumper the relay contacts to power the pump. If both things still don’t work, technicians will check for power at the fuel pump connector. Next, they reset the inertia switch manually. To check for this code, technicians usually start by checking the fuel pump fuse.

Open or shorted FDPM (Fuel Pump Driver Module) harness Posted to Asian Driveability on 6 Replies.Stopped at a garage where a friend has a handheld comp. Faulty IFS (Inertia Fuel Shutoff) switch Help anyone please-I rarely drive my 03Cobra Vert and at 5,990 miles the check engine light came on.IFS (Inertia Fuel Shutoff) switch needs to be reset.Some of the most common possible causes include: If this fails (the PCM stops receiving the duty signal), then the Error Code P1233 will set.Īs said earlier, this error code could be caused by a lot of factors. With the key on, the FDPM sends duty cycle signal to the PCM continuously through FPM circuit. The PCM (Powertrain Control Module, also known as ECM or engine control module in other vehicles makes) monitors the FPM (Fuel Pump Monitor) circuit from the FDPM (Fuel Pump Driver Module).

#P1233 FUEL PUMP DRIVER MODULE OFF LINE REGISTRATION#

The most common symptom and usually the only symptom for this error code is the activation of the Check Engine light and the registration of the error code. This could be caused by two primary reasons that interfere with fuel pump startup – the fuel pump relay, or the inertia switch. A search on Google for Ford P1233 shows that this P1233 DTC code is not limited to being a problem on just Ford.

#P1233 FUEL PUMP DRIVER MODULE OFF LINE OFFLINE#

A Ford P1233 code is described as Fuel Pump Driver Module Offline or Fuel System Disabled or Offline. DefinitionĮrror Code P1233 is set when the fuel pump is not starting up correctly. The FPDM (fuel pressure driver module) usually shows up as a P1233 diagnostic trouble code (OBD-II) when the truck's codes are read. The most common problem usually failed FPDM.

Open FPDM ground circuit Open circuit to FPDM PWR RLY Open FPDM PWR circuit Open or shorted FPM circuit (engine should start). Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model to another. Here is the list of items that could be the problem: Inertia fuel shutoff (IFS) switch needs to be reset. This error code is a generic trouble, meaning it applies to all vehicles equipped with OBD-II system, especially vehicles made since 1996 up to present. This means the fuel pump is not starting up correctly, which could be caused by problems with the FPDM (fuel pump driver module). Error Code P1233 is defined as Fuel Pump Driver Module Disabled Or Off Line.