KlaroP0603
MODERATEInternal Control Module Keep Alive Memory (KAM) Error
What this code means
Internal Control Module Keep Alive Memory (KAM) Error. Faults internal to the engine control unit or to its output circuits. Before suspecting the unit itself, which seldom fails, check grounds, connectors and battery voltage.
How to read this code
- PPowertrain
- 0standardised code
- 6Control unit and output circuits
- 03P0603
The letter P names the system: Powertrain. The digit 0 that follows marks a standardised code, shared by all manufacturers code. The next digit, 6, locates the fault: control unit and output circuits.
What to do
Have it checked this week. The car remains usable, but the fault will not clear itself and will fail the roadworthiness test.
Clearing a code switches the light off but repairs nothing: if the fault remains, the code comes back.
Nearby codes
- P0600Serial Communication Link Malfunction
- P0601Internal Control Module Memory Check Sum Error
- P0602Control Module Programming Error
- P0604Internal Control Module RAM Error
- P0605Internal Control Module ROM Error (Module Identification Defined by SAE J1979)
- P0606PCM Processor Fault
- P0608Control Module VSS Output A Malfunction
- P0609Control Module VSS Output B Malfunction