Bosch ME 7.2 Engine Management System (page 4 of 8)

ENGINE MANAGEMENT SYSTEM – V8

DESCRIPTION AND OPERATION 18-2-35

0335

CKP sensor

Signal implausible

0340

RH bank CMP sensor

Signal implausible

0342

RH bank CMP sensor

Short circuit to ground

0343

RH bank CMP sensor

Short circuit to battery

0345

LH bank CMP sensor

Signal implausible

0347

LH bank CMP sensor

Short circuit to ground

0348

LH bank CMP sensor

Short circuit to battery

0370

Reference mark detection

Timing reference high resolution signal A

0411

SAI vacuum solenoid valve

Incorrect flow detected

0412

SAI vacuum solenoid valve drive

Circuit malfunction

0413

SAI vacuum solenoid valve drive

Open circuit

0414

SAI vacuum solenoid valve drive

Short circuit

0418

SAI air injection pump relay

Open circuit

0420

RH bank catalytic converter

Efficiency below threshold – light off too long

0430

LH bank catalytic converter

Efficiency below threshold – light off too long

0442

EVAP system

Minor leak (1.0 mm or less)

0443

Purge valve drive

Circuit malfunction

0444

Purge valve drive

Open circuit

0445

Purge valve drive

Short circuit to battery or ground

0455

EVAP system

Major leak (more than 1.0 mm)

0456

EVAP system

Minor leak (0.5 mm or less)

0461

Fuel tank level signal

Range/Performance problem

0462

Fuel tank level signal

Short circuit to ground

0463

Fuel tank level signal

Short circuit to battery

0464

Fuel tank level signal

Circuit intermittent

0491

SAI system

Malfunction on RH bank

0492

SAI system

Malfunction on LH bank

0500

Vehicle speed signal

Signal implausible

0501

Rough road detection vehicle speed signal

Intermittent, erratic or high

0503

Rough road detection vehicle speed signal

Range/Performance

0512

Comfort start 

Request circuit malfunction

0530

A/C refrigerant pressure sensor

Signal fault

0532

A/C refrigerant pressure sensor

Short circuit to ground

0533

A/C refrigerant pressure sensor

Short circuit to battery

0561

Battery voltage monitor

System voltage unstable

0562

Battery voltage monitor

System voltage low

0563

Battery voltage monitor

System voltage high

0571

Brake lights switch

Cruise control/brake switch circuit A

0604

ECM self test

RAM error

0605

ECM self test

ROM error

0606

ECM self test

Processor fault

0615

Comfort start relay drive

Open circuit

0616

Comfort start relay drive

Short circuit to ground

0617

Comfort start relay drive

Short circuit to battery

0634

ECU internal temperature

ECU temperature high

0650

MIL output drive

Open circuit, or short circuit to ground or battery

0660

Manifold valve output drive

Control circuit malfunction

0661

Manifold valve output drive

Open circuit or short circuit to ground

0662

Manifold valve output drive

Short circuit to battery

0691

Engine cooling fan control

Short circuit to ground

0692

Engine cooling fan control

Short circuit to battery

0693

Engine cooling fan control

Circuit intermittent

P Code No.

Component/Signal

Fault Description