Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- ACTIVE DTC
- Turn the ignition on.
- With the scan tool select View DTCs.
- Record the related DTC and Freeze Frame data.
- With the scan tool clear DTCs.
- Start the engine and allow it to reach operating temperature.WARNING:
When the engine is operating, do not stand in direct line with the fan. Do not put your hand near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury.
- With the scan tool select View DTCs.NOTE:
If the DTC does not reset it may be necessary to test drive the vehicle.
Is the status Active for this DTC?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
- CRANKSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS
- Turn the ignition off.
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankshaft Position Sensor and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched, or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals.
- Inspect the Crankshaft Position Sensor for conditions such as loose mounting screws, damage, or cracks.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 3
- CRANKSHAFT, TONE WHEEL OR FLEX PLATE
- Turn the ignition off.
- Remove the Crankshaft Position Sensor.
- Inspect the Crankshaft Position Sensor and mounting area for any condition that would result in the sensor producing an incorrect signal, such as damage, evidence of foreign material, or excessive movement.
Were any problems found?
Yes
- Repair as necessary in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 4
- CRANKSHAFT POSITION SENSOR
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankshaft Position Sensor and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched, or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals.
- Perform any Technical Service Bulletins (TSBs) that may apply.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the Crankshaft Position Sensor in accordance with the service information. Refer to SENSOR, CRANKSHAFT POSITION, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .