Specifications

TEST ACTION APPLICABILITY
6 Turn the ignition off.
Install a substitute Crankcase Vent Heater in place of the vehicle’s existing
Crankcase Vent Heater.
NOTE: Ensure the ECM and Crankcase Vent Heater harness connectors are
connected.
With the engine cold, start and idle the engine.
With the DRB, check for this DTC to set again.
Did this DTC set again?
All
Yes → Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No → Replace the initial Crankcase Vent Heater.
Perform ROAD TEST VERIFICATION - VER-2.
7 WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time.The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspectthe related wiring harness connectors. Look forbroken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
All
Yes → Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No → Test Complete.
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DRIVEABILITY - DIESEL
P2514-CRANKCASE VENT HEATER OPEN CIRCUIT — Continued