Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
NOTE:
Improperly installed aftermarket accessories can cause this DTC to set. Check for any improperly installed aftermarket accessories before continuing with this test.
1. Turn the ignition on for at least 60 seconds.
2. With a scan tool, read the active DTCs.
  Is the DTC Active at this time?
  
  Yes
  - Go To 2.
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
(F855) 5-VOLT SUPPLY SHORTED TO VOLTAGE

Fig 1: Measuring For Voltage At 5-Volt Supply Circuit At CKP Sensor Harness Connector
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect all the Sensor harness connectors that share the (F855) 5-Volt Supply circuit.
  NOTE:
  Improperly installed aftermarket accessories can cause this DTC to set. Check for wiring added by customer.
3. Ignition on, engine not running.
4. Measure the voltage on the (F855) 5-Volt Supply circuit at the CKP Sensor harness connector.
  Is the voltage reading above 5.2 Volts?
  
  Yes
  - Repair the short to voltage in the (F855) 5-Volt Supply circuit.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3.
POWERTRAIN CONTROL MODULE (PCM)
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the related Sensors and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched, or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the related Sensor and Powertrain Control Module connectors.
4. Perform any Technical Service Bulletins that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .