Dodge Ram Truck 1500-2500-3500. Manual — part 1060

P0219-CRANKSHAFT POSITION SENSOR OVER SPEED SIGNAL (CONTINUED)

For the Engine circuit diagram (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/ENGINE CON-
TROL MODULE - SCHEMATIC - ELECTRICAL)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
While the engine is running.

•

Set Condition:
The ECM detects engine speed is above a calibrated threshold.

Possible Causes

OTHER DTC’S

MECHANICAL OVERSPEED OF ENGINE

INTERMITTENT CONDITION

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)

Diagnostic Test

1.

OTHER DTC’S

Turn the ignition on.

With the scan tool, read and record the freeze frame data.

With the scan tool, read the Engine DTC’s.

Is there other Crankshaft position sensor DTC’s set?

Yes

>> Refer to symptom list for problems related to the other Crankshaft position sensor DTC’s.

No

>> Go To 2

2.

MECHANICAL OVERSPEED OF ENGINE

Visually inspect the engine for signs of mechanical overspeed. Such as, bent push rod, broken rocker arms, bent
valves, etc.

Did you notice any overspeed damage?

Yes

>> Repair or replace any damaged components.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

No

>> Test Complete.

9 - 1162

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

DR/DH

P0234-TURBOCHARGER OVERBOOST CONDITION

For the Engine circuit diagram (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/ENGINE CON-
TROL MODULE - SCHEMATIC - ELECTRICAL)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
While running.

•

Set Condition:
The intake air pressure is above a calibrated value for a calibrated amount of time.

Possible Causes

OTHER DTC’S

WASTEGATE STUCK

TURBOCHARGER AND/OR WASTEGATE DAMAGE

WASTEGATE

TURBOCHARGER

WASTEGATE CONTROL VALVE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)

Diagnostic Test

1.

OTHER DTC’S

With the scan tool, read DTCs.

Do you have additional DTC’s?

Yes

>> Repair all other DTC’s first.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

No

>> Go To 2

2.

TURBOCHARGER AND/OR WASTEGATE DAMAGE

Visually inspect the turbocharger assembly for signs of damage. Pay particular attention to the Wastegate area and
linkage.

Was any damage noticed?

Yes

>> Repair or replace the Turbocharger or Wastegate.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

No

>> Go To 3

DR/DH

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

9 - 1163

P0234-TURBOCHARGER OVERBOOST CONDITION (CONTINUED)

3.

WASTEGATE

Pressure the Intake air system per test *INTAKE AIR SYSTEM PRESSURE TEST.

Pay particular attention to the Wastegate signal line and the Wastegate actuator canister area for leaks.

Were any leaks detected?

Yes

>> Repair as necessary.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

No

>> Go To 4

4.

TURBOCHARGER

Disconnect the wiring connector at the Wastegate Control Valve.

Remove the Wastegate Control Valve from the turbo.

Inspect the o-rings and the valve for damage.

Replace any damaged o-rings or a damaged valve.

Using a pressure/vacuum hand pump, apply vacuum to the tip of the Wastegate Control Valve.

Use your fingers to cover and seal the two radial holes located between the two small o-rings on the tip of the
valve.

The valve should hold vacuum.

Does the Wastegate Control Valve hold vacuum?

Yes

>> Repair or replace the Turbocharger.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

No

>> Replace the Wastegate Control Valve.

Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

9 - 1164

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

DR/DH

P0236-MAP SENSOR TOO HIGH TOO LONG

DR/DH

ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL

9 - 1165