Index Dodge Dodge Ram Truck 1500-2500-3500 - service repair manual 2005 year

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Dodge Ram Truck 1500-2500-3500. Manual - part 1031

P0462-LOW VOLTAGE DETECTED AT THE

FUEL LEVEL SENSOR . . . . . . . . . . . . . . . . 1255

P0463-HIGH VOLTAGE DETECTED AT THE

FUEL LEVEL SENSOR . . . . . . . . . . . . . . . . 1259

P0477-LOW VOLTAGE ON THE ENGINE

BRAKE DRIVER . . . . . . . . . . . . . . . . . . . . . 1262

P0478-HIGH VOLTAGE ON THE ENGINE

BRAKE DRIVER . . . . . . . . . . . . . . . . . . . . . 1265

P0480-FAN CLUTCH

. . . . . . . . . . . . . . . . . 1267

P0483-FAN SPEED

. . . . . . . . . . . . . . . . . . 1272

P0500-NO VEHICLE SPEED SENSOR

SIGNAL . . . . . . . . . . . . . . . . . . . . . . . . . . . 1280

P0514-BAT TEMPERATURE SENSOR

RATIONALITY . . . . . . . . . . . . . . . . . . . . . . 1284

P0516-LOW VOLTAGE AT THE BAT TEMP

SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . 1286

P0517-HIGH VOLTAGE AT THE BAT TEMP

SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . 1290

P0521-OIL PRESSURE SWITCH

RATIONALITY . . . . . . . . . . . . . . . . . . . . . . 1295

P0524-OIL PRESSURE TOO LOW

. . . . . . . 1298

P0532-A/C SENDING UNIT VOLTS TOO

LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1301

P0533-A/C SENDING UNIT VOLTS TOO

HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1308

P0541-LOW VOLTAGE ON THE #1 INTAKE

AIR HEATER RELAY . . . . . . . . . . . . . . . . . 1313

P0542-HIGH VOLTAGE ON THE #1 INTAKE

AIR HEATER RELAY . . . . . . . . . . . . . . . . . 1316

P0562-BATTERY VOLTAGE LOW

. . . . . . . . 1319

P0563-BATTERY VOLTAGE HIGH

. . . . . . . 1323

P0572-LOW VOLTAGE DETECTED AT THE

BRAKE SWITCH . . . . . . . . . . . . . . . . . . . . . 1326

P0573-HIGH VOLTAGE DETECTED AT THE

BRAKE SWITCH . . . . . . . . . . . . . . . . . . . . . 1330

P0580-LOW VOLTAGE DETECTED AT THE

SPEED CONTROL SWITCH . . . . . . . . . . . . 1333

P0581-HIGH VOLTAGE DETECTED AT THE

SPEED CONTROL SWITCH . . . . . . . . . . . . 1337

P0602-CHECKSUM ERROR

. . . . . . . . . . . . 1343

P0604-ECM SOFTWARE ERROR

. . . . . . . . 1344

P0606-ECM HARDWARE ERROR

. . . . . . . 1345

P0607-ECM INTERNAL FAILURE

. . . . . . . . 1346

P0622-GENERATOR FIELD NOT

SWITCHING PROPERLY . . . . . . . . . . . . . . 1347

P0628-LOW VOLTAGE DETECTED AT THE

FUEL LIFT PUMP . . . . . . . . . . . . . . . . . . . . 1351

P0629-HIGH VOLTAGE DETECTED AT THE

FUEL LIFT PUMP . . . . . . . . . . . . . . . . . . . . 1355

P0630-VIN NOT ENTERED ERROR

. . . . . . 1359

P0633-SKIM SECRET KEY NOT ENTERED

P0642-LOW VOLTAGE AT THE #2 SENSOR

SUPPLY CIRCUIT . . . . . . . . . . . . . . . . . . . . 1361

P0643-HIGH VOLTAGE AT THE #2 SENSOR

SUPPLY CIRCUIT . . . . . . . . . . . . . . . . . . . . 1365

P0646-LOW VOLTAGE DETECTED AT THE

A/C CLUTCH RELAY . . . . . . . . . . . . . . . . . 1368

P0647-HIGH VOLTAGE DETECTED AT THE

A/C CLUTCH RELAY . . . . . . . . . . . . . . . . . 1372

P0652-LOW VOLTAGE AT THE #1 SENSOR

SUPPLY CIRCUIT . . . . . . . . . . . . . . . . . . . . 1375

P0653-HIGH VOLTAGE AT THE #1 SENSOR

SUPPLY CIRCUIT . . . . . . . . . . . . . . . . . . . . 1379

P0698-ACCELERATOR PEDAL POSITION

SENSOR (APPS) SUPPLY VOLTAGE TOO
LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1382

P0699-ACCELERATOR PEDAL POSITION

SENSOR (APPS) SUPPLY VOLTAGE TOO
HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1386

P1652-J1850 SHORT TO GROUND

. . . . . . 1389

P2121-PPS CONFORMANCE ERROR

P2122-PPS 1 VOLTAGE TOO LOW

. . . . . . 1404

P2123-PPS 1 VOLTAGE TOO HIGH

. . . . . . 1410

P2127-PPS 2 VOLTAGE TOO LOW

. . . . . . 1414

P2128-PPS 2 VOLTAGE TOO HIGH

. . . . . . 1420

P2146-BANK 1 (CYLINDERS 1-3) SHORTED

HIGH OR LOW . . . . . . . . . . . . . . . . . . . . . . 1424

P2149-BANK 2 (CYLINDERS 4-6) SHORTED

HIGH OR LOW . . . . . . . . . . . . . . . . . . . . . . 1433

P2266-WATER IN FUEL (WIF) SENSOR

VOLTAGE TOO LOW . . . . . . . . . . . . . . . . . 1442

P2269-WATER IN FUEL (WIF)

. . . . . . . . . . 1445

P2502-CHARGING SYSTEM ERROR

P2503-CHARGING SYSTEM OUTPUT LOW

P2504-CHARGING SYSTEM OUTPUT HIGH

P2509-POWERDOWN DATA LOST ERROR

P2607-LOW VOLTAGE AT THE #2 INTAKE

AIR HEATER RELAY . . . . . . . . . . . . . . . . . 1463

P2608-HIGH VOLTAGE AT THE #2 INTAKE

AIR HEATER RELAY . . . . . . . . . . . . . . . . . 1467

P2609-NO VOLTAGE DROP SEEN FROM

INTAKE AIR HEATERS . . . . . . . . . . . . . . . . 1470

*ENGINE SPEED SURGES UNDER LOAD

OR IN OPERATING RANGE . . . . . . . . . . . . 1473

*ENGINE SPEED SURGES LOW OR HIGH

IDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1474

*ENGINE DIFFICULT TO START OR WILL

NOT START (NO EXHAUST SMOKE
WHILE CRANKING) . . . . . . . . . . . . . . . . . . 1475

*ENGINE DIFFICULT TO START OR WILL

NOT START (EXHAUST SMOKE) . . . . . . . . 1476

*ENGINE SPEED SURGES IN PTO OR

CRUISE CONTROL . . . . . . . . . . . . . . . . . . 1477

*CHECKING THE ACCELERATOR PEDAL

SENSOR CALIBRATION . . . . . . . . . . . . . . . 1478

*CHECKING THE ECM POWER AND

GROUNDS . . . . . . . . . . . . . . . . . . . . . . . . . 1479

*CHECKING PRESSURE LIMITING VALVE

ON THE FUEL RAIL FOR INTERNAL
LEAKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1480

*FUEL HEATER THERMOSTAT TEST

*FUEL PUMP RETURN FLOW TEST

*HIGH PRESSURE FUEL PUMP

PERFORMANCE TEST . . . . . . . . . . . . . . . . 1483

*INJECTOR RETURN FLOW TEST

. . . . . . . 1484

*INTAKE AIR SYSTEM PRESSURE TEST

9 - 1046

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

DR/DH

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

CAUTION

DR/DH

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

9 - 1047

P0016-ENGINE SPEED SIGNAL MISMATCH

9 - 1048

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

DR/DH

P0016-ENGINE SPEED SIGNAL MISMATCH (CONTINUED)

For the Engine circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
While Engine is running.

•

Set Condition:
When the engine speed detected by the Engine Position Sensor (cam) and the Engine Speed Sensor (crank)
differ by a specified RPM amount.

Possible Causes

DAMAGE TO THE ESS OR EPS

MECHANICAL MISALIGNMENT OF THE ESS OR EPS

MECHANICAL MISALIGNMENT OF THE CAMSHAFT AND CRANKSHAFT GEARS

INTERMITTENT CONDITION

Diagnostic Test

1.

DAMAGE TO THE ESS OR EPS

Visually inspect the condition of the tone wheel, ESS, and EPS for damage.

Are any of the components damaged?

Yes

>> Repair or replace any damaged component.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)

No

>> Go To 2

2.

MECHANICAL MISALIGNMENT OF THE ESS OR EPS

Verify the speed indicator ring is properly positioned relative to the locating pin in the front face of the crankshaft.

Is the speed indicator ring properly installed?

Yes

>> Go To 3

No

>> Repair the speed ring indicator ring installation.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)

3.

Test Mechanical misalignment of the camshaft and crankshaft gears.

Check the mechanical alignment of the camshaft gear to the crankshaft gear. Refer to service manual for assis-
tance.

Are the gear teeth in proper alignment?

Yes

>> Refer to the INTERMITTENT CONDITION Symptom (Diagnostic Procedure). (Refer to 9 - ENGINE -

DIAGNOSIS AND TESTING)

No

>> Repair the gear alignment.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)

DR/DH

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

9 - 1049

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