Diagnostic Test
WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
- ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) NOTE: Low battery voltage can cause excessive current draw in very hot and very cold ambient temperatures. Look closely at the temperatures at which this DTC set and make sure the battery can pass a load test before continuing.NOTE: Diagnose and repair any other DTCs set in the PCM before proceeding with this test.
- Turn the ignition on.
- Using the scan tool, select View DTCs and review the DTC environmental information.
Is the good trip counter greater than 0?
Yes
- The DTC is not active at this time. Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Go to step 2
- THROTTLE PLATE INSPECTION
- Turn the ignition off.
- Remove the air cleaner assembly.
- Check for any signs of a foreign material (ice, dirt, or excessive carbon build up) on the throttle plate or in the bore causing the throttle plate to stick.
Were any problems found?
Yes
- Remove the debris or obstruction.
- Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Go to step 3
- RESTRICTED INTAKE AIR SYSTEM
- Inspect the intake air system for any blockage or restrictions such as a collapsed air intake duct or clogged air filter.
Were any problems found?
Yes
- Repair as necessary.
- Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Go to step 4
- Inspect the intake air system for any blockage or restrictions such as a collapsed air intake duct or clogged air filter.
- CONTAMINATED FUEL
- Inspect the fuel for contamination (dirt, water, or other foreign material).
Were any problems found?
Yes
- Drain the fuel from the fuel tank into an approved gas holding tank and add clean fuel. Refer to Fuel System/Fuel Delivery - Standard Procedure .
No
- Go to step 5
- Inspect the fuel for contamination (dirt, water, or other foreign material).
- POWERTRAIN CONTROL MODULE (PCM)
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Throttle Body 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 that may apply.
Were any problems found?
Yes
- Repair as necessary.
- Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Replace the Powertrain Control Module (PCM) in accordance with the Service Information.
- Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .