PowertrainP0604

Serious

Severity: Serious - have it checked soon

Internal Control Module Random Access Memory (RAM) Error

45 brands affected · Generic SAE J2012 description.

Key terms: Control module: a small computer that runs one part of the car · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

1What it means in plain English

The engine computer or one of its output circuits has a fault.

2Common causes

Engine control module fault
Power or ground connection problem
Low battery or charging voltage
Wiring short or open circuit
Software or memory fault

3Can I drive?

Serious · drive with care

If the engine runs normally, drive carefully to a workshop for diagnosis. If it runs badly, stalls, or will not restart, have the car towed.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 45

Brand	Code	Description	System
Ashok Leyland CV	P0604	Fault Path For Engine Brake Plausibility Check Brand	Powertrain
BAIC Motor	P0604	RAM error Brand	Powertrain
Mercedes-Benz	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
BMW	P0604	Signal not plausible Brand	Powertrain
BYD	P0604	Microprocessor fault Brand	Powertrain
Chery	P0604	RAM error Brand	Powertrain
Chrysler	P0604	Internal Control Module RAM Brand	Powertrain
Daewoo	P0604	Replace Electronic Control Unit Brand	Powertrain
Daihatsu	P0604	RAM abnormal Brand	Powertrain
DFFS	P0604	ECU fault - RAM 1 Brand	Powertrain
DFFX	P0604	RAM error Brand	Powertrain
DFXK	P0604	ECM RAM error Brand	Powertrain
EOBD	P0604	Pogreška RAM memorije internog kontrolnog modula Brand	Powertrain
Fiat	P0604	Internal control module RAM Brand	Powertrain
Ford	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Geely	P0604	ECU RAM fault Brand	Powertrain
GM	P0604	Control module random access memory Brand	Powertrain
Great Wall	P0604	RAM error Brand	Powertrain
Hafei	P0604	Internal Control Module Random Access Memory (RAM) Error Brand	Powertrain
Holden	P0604	Fuel Injector Control Module Random Access Memory Brand	Powertrain
Honda	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Hyundai	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Isuzu	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Land Rover	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Mahindra	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Maserati	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Mazda	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Mitsubishi	P0604	Engine ECU Brand	Powertrain
Nissan	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Opel	P0604	Control module random access memory Brand	Powertrain
Perodua	P0604	RAM abnormal Brand	Powertrain
Peugeot	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Porsche	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Proton	P0604	Engine ECU Brand	Powertrain
Renault	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Saab	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
MG (SAIC)	P0604	ECU RAM Error Brand	Powertrain
Smart	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Sprinter	P0604	Internal Control Module Random Access Memory (RAM) Error SAE	Powertrain
Subaru	P0604	Internal Control Module Random Access Memory Error Brand	Powertrain
Suzuki	P0604	Internal Control Module Random Access Memory (RAM) Error - Data Memory Failure Brand	Powertrain
SWM Motor	P0604	RAM error Brand	Powertrain
Tata	P0604	ECU Memory Brand	Powertrain
Toyota	P0604	Internal control module random access memory (RAM) error Brand	Powertrain
Volkswagen	P0604	Internal control module: RAM error Brand	Powertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 34

These 7-character codes are manufacturer-specific variants of P0604 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P060400	Internal Control Module Random Access Memory (RAM) Error Brand	Powertrain
Sprinter	P060400	No description available	Powertrain
SsangYong	P060400	TCU random access memory - read / write error Brand	Powertrain
Volkswagen	P060400	Internal control module: RAM error Brand	Powertrain
Mercedes-Benz	P060401	There is an critical internal control unit fault in the RAM memory Brand	Powertrain
Mercedes-Benz	P060404	Internal Control Module Random Access Memory (RAM) Error Brand	Powertrain
Sprinter	P060404	Ein interner Steuergerätefehler im RAM-Speicher ist vorhanden. Es liegt ein interner Fehler vor. Brand	Powertrain
Mercedes-Benz	P060405	Internal Control Module Random Access Memory (RAM) Error System Programming Failures Brand	Powertrain
Mercedes-Benz	P060409	No description available	Powertrain
Mercedes-Benz	P060416	Internal Control Module Random Access Memory (RAM) Error circuit voltage below threshold Brand	Powertrain
Mercedes-Benz	P060417	Internal Control Module Random Access Memory (RAM) Error circuit voltage above threshold Brand	Powertrain
Mercedes-Benz	P060441	Ein interner Steuergerätefehler im RAM-Speicher ist vorhanden. Es liegt ein allgemeiner Prüfsummenfehler vor. Brand	Powertrain
Sprinter	P060441	Ein interner Steuergerätefehler im RAM-Speicher ist vorhanden. Es liegt ein allgemeiner Prüfsummenfehler vor. Brand	Powertrain
Mercedes-Benz	P060442	There is an internal control unit fault in the RAM memory. There is a general memory error. Brand	Powertrain
Mercedes-Benz	P060444	Internal Control Module Random Access Memory (RAM) Error data memory failure Brand	Powertrain
Sprinter	P060444	Ein interner Steuergerätefehler im RAM-Speicher ist vorhanden. Es liegt ein Fehler im Datenspeicher vor. Brand	Powertrain
SsangYong	P060444	ECU error(Corruption) Brand	Powertrain
Mercedes-Benz	P060445	MEM Failure Brand	Powertrain
SsangYong	P060448	ECU error(RAM) Brand	Powertrain
Mercedes-Benz	P060496	There is an internal control unit fault in the RAM memory. There is an internal component fault. Brand	Powertrain
Mercedes-Benz	P0604E0	There is an internal control unit fault in the RAM memory. ECC failure in the SRAM Brand	Powertrain
Mercedes-Benz	P0604E1	There is an internal control unit fault in the RAM memory. Error indicates, if a fault is detected during complete DRAM check Brand	Powertrain
Mercedes-Benz	P0604E9	No description available	Powertrain
Mercedes-Benz	P0604EB	ECU FUSION Double Execution Sync Error - Synchronisation error between Core 0 and Core 1 Brand	Powertrain
Mercedes-Benz	P0604EC	Fusion ECC Startup-Test failed Brand	Powertrain
Mercedes-Benz	P0604ED	Set if Reserved or any violation on GPIO Reporting is detected Brand	Powertrain
Mercedes-Benz	P0604F0	Internal Control Module Random Access Memory (RAM) Error Brand	Powertrain
Mercedes-Benz	P0604F1	Level-3 monitoring. General level-3 HW safety error. Brand	Powertrain
Mercedes-Benz	P0604F2	Internal Control Module Random Access Memory (RAM) Error Brand	Powertrain
Mercedes-Benz	P0604FA	ECU AURIX Core1 internal failure (RAM failure) Brand	Powertrain
Mercedes-Benz	P0604FB	ECU AURIX Core2 internal failure (RAM failure) Brand	Powertrain
Mercedes-Benz	P0604FC	Internal Control Module Random Access Memory (RAM) Error. FC Brand	Powertrain
Mercedes-Benz	P0604FD	RAM Failure Brand	Powertrain
Mercedes-Benz	P0604FF	unallowed AtAs access to RB RAM Brand	Powertrain

6Related codes

Browse Pxxx codes or P060xx codes.