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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Engine Controls - Self Diagnostics - 4.7L) >> Diagnostic Tests >> DTC P0498: NVLD Canister Vent Valve Solenoid Circuit Low >> Testing

DTC P0498: NVLD Canister Vent Valve Solenoid Circuit Low: Testing

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition on, engine not running. With the DRBIII® scan tool, read DTCs and record the related freeze frame data. Is the Good Trip Counter displayed and equal to zero? If yes, go to next step. If no, see INTERMITTENT CONDITION  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn the ignition off. Disconnect the NVLD assembly electrical harness connector. Measure the resistance of the NVLD solenoid coil. Is the resistance between 7.5-8.5 ohms? If yes, go to next step. If no, replace the NVLD assembly.
  3. Disconnect the PCM harness connectors. Measure the resistance between ground and the (K106) NVLD solenoid control circuit at the NVLD assembly electrical harness connector. Is the resistance below 5.0 ohms? If yes, repair the short to ground in the (K106) NVLD solenoid control circuit. If no, go to next step.
    4. NOTE: Before continuing, disconnect the PCM harness connectors and check the related wiring terminals for corrosion, damage or terminal push out. Repair as necessary.
  4. Using the wiring diagram as a guide, inspect the wire harness and connectors. Visually inspect the related wire harness. Look for any chafed, pierced, pinched, or partially broken wires. Visually inspect both the component and the PCM connectors. Pay particular attention to all power and ground circuits. If there are no possible causes remaining, replace and program the PCM. See PROGRAMMING .
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