Diagnostic Test
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR ACTIVE DTCS NOTE:
If there are any 5-Volt Supply DTCs present, perform the Diagnostics for those DTCs before continuing with this one.
- Turn the ignition on.
- Using the scan tool, erase PCM DTCs.
- Perform several ignition cycles, turning the ignition off for at least 10 seconds between each ignition cycle.
- Monitor the scan tool for PCM DTCs.
Did this DTC return?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- CHECK THE (K22) THROTTLE POSITION SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE NOTE:
There is an in-line harness connector that will allow easier access to these circuits for testing.
- Turn the ignition off.
- Disconnect the TV Actuator harness connector.
- Turn the ignition on.
- Connect one voltmeter probe to ground and measure the voltage on the (K22) Throttle Position Signal circuit at the TV Actuator harness connector.
Is the voltage above 5.2 Volts?
Yes
- Repair the (K22) Throttle Position Signal circuit for a short to voltage.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Go To 3
- THROTTLE VALVE ACTUATOR
- Turn the ignition off.
- Replace the Throttle Valve Actuator in accordance with the service information.
- Reconnect the TV Actuator harness connector.
- Turn the ignition on.
- With the scan tool, erase PCM DTCs.
- Perform several ignition key cycles leaving the ignition on for at least 10 seconds per cycle.
- Start the engine and let it run for two minutes.
- With the scan tool, read PCM DTCs.
Does the scan tool display this DTC?
Yes
- Replace the Powertrain Control Module in accordance with the service information.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Test complete.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .