Quick Answer: What Is Keep Alive Memory?

What is PCM keep alive power?

Keep Alive Power (KAPWR) The PCM stores the vehicle operating conditions in the KAM and uses this information to compensate for component variability.

The KAPWR circuit supplies a constant battery voltage (B+) input to the PCM to maintain the memory contents when the key is in the OFF position..

What is Ford Kam reset?

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.

What does Kam stand for f150?

Keep Alive MemoryIn the event you are experiencing an erratic idle after loading a tune or after performing any action that clears KAM (Keep Alive Memory), an Idle Relearn can help you get back on track. The KAM or “Keep Alive Memory” is the memory that is stored in the powertrain control module (PCM).

How do I reset my Ford PCM?

How to Reset the Ford PCMOpen the hood of the Ford. Loosen the lock nut located on the negative battery cable connector with a socket and ratchet. Pull the connector off the negative battery terminal.Wait for 20 minutes while the PCM bleeds off the electricity it stores for backup power. Once the power drains from the PCM, it resets.

What are the signs of a bad PCM?

7 Common PCM Failure SymptomsYour ‘Check Engine’ Light is On. … Your Car Won’t Start or Starts Roughly. … Sudden Loss of Gas Mileage. … You Failed Your Emissions Test. … Your Engine Stutters or Stalls. … Erratic or Random Shifting. … You’re Receiving a PCM-Related Error Code. … What to Do If You Experience PCM Failure Symptoms.

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?

To clear the continuous DTCs in the PCM and have it reset the emissions monitors information, is also part of a KAM reset. Both can be useful in post repair or a big change in driving conditions. KAM can be reset by a diagnostic tool or by disconnecting the 12V battery ground cable for a minimum of 5 minutes.

What does KAM Reset do?

KAM = Keep Alive Memory. It holds the “learned” parameters after the engine runs for a while. It’s cleared when you load a new tune or you can clear it manually by disconnecting the battery.

What does p1633 code mean?

Error Code P1633 means the PCM (powertrain control module, also known as ECM or engine control module in other vehicle makes) has detected a low voltage on the Keep Alive memory circuit. … If the battery is disconnected, or the voltage drops below 10.5V, the error code will be set.

What does Engine code p0603 mean?

Internal Control Module Keep Alive MemoryOBD-II Code P0603 is defined as a Internal Control Module Keep Alive Memory (KAM) Error. The PCM or Power Train Control Module performs many vital functions in a modern vehicle, such as management of the Fuel System, Ignition System, Transmission, Anti-Lock Brake and Traction Control systems.

What is Kam on Ford?

Ford Focus Service Manual / Powertrain / General Information / Resetting The Keep Alive Memory (KAM) Description. Resetting the KAM returns the powertrain control module (PCM) memory to its default setting. Adaptive learning contents such as adaptive airflow, idle speed, refueling event, and fuel trim are included.