What can cause a P0603 code?
What can cause a P0603 code?
There are several potential reasons you may have an OBD-ii scanner error code P0603 problem, including:
- Faulty wiring to the engine control module.
- Aftermarket tuning products.
- Damaged or faulty engine control module.
- Faulty ignition system wiring.
- Water damage to the engine control module.
Where is the PCM on a 7.3 Powerstroke?
Open the hood and locate the computer (PCM) harness connector. It is located on the driver’s side firewall, beneath the brake master cylinder and next to the fender.
What is a PCM on a 7.3 Powerstroke?
The PCM (Powertrain Control Module) is the main computer that controls the engine, and the transmission if it is an automatic. All in all, they are very well designed and normally last hundreds of thousands of miles.
How do I fix code P0603?
Possible Solutions For Fixing the P0603 Code
- – Try Replacing your battery or alternator.
- – Replacing failed PCM or battery grounds.
- – Consider Replacing your PCM.
How do I clear keep alive memory?
When an Electronic Engine Controls (EEC) system component is replaced, the Keep Alive Memory (KAM) should be cleared to erase the information stored by the processor from the original component. To clear the KAM, disconnect the battery negative terminal for five minutes or more (preferably 15 minutes).
What’s the difference between a ECM and PCM?
PCM (Powertrain Control Module) – This is a combined engine and transmission control unit which will provide management and correct function of the engine and transmission from one control unit. ECU (Engine Control Unit) / ECM (Engine Control Module) – This is an electronic control unit that manages the engine only.
What is a Kam reset Ford?
KAM Reset. KAM stands for Keep Alive Memory and is where all the learned adjustments that the computer has made over time. Most of these are settings for fuel trims and information to help with idle stability. You would want to reset the KAM after fixing a mechanical issue like an air leak or a bad tank of gas.
