LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2006 >> Reno Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 138 (Engine Control System - DTC P0461 Through U0121) >> DTC P0604: Control Module Random Access Memory (RAM) >> DTC Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Troubleshooting

WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING CHART

Step Action Value (s) Yes No
1 Perform an ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK .
Is the system check complete?
- Go to Step 2. Go to ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK .
2 Replace the Engine Control Module (ECM).
Is the replacement complete?
- Go to Step 3. -
3
  1. Using the scan tool, clear the DTCs.
  2. Start the engine and idle at normal operating temperature.
  3. Operate the vehicle within the conditions for setting this DTC ad specified in the supporting text.

Does the scan tool indicate that this diagnostic has run and passed?
- Go to Step 4. Go to Step 2.
4 Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
- Go to applicable DTC Table . System OK