DTC P0118 Signal Voltage High or Open (Scan Diagnostics)
Step
1
1. Select the Dashboard icon in the left sidebar and then
the Troubleshooting tab.
2. Observe the EHT Voltage display with or without the engine
running.
2
3. Is reading 0.5-4.5 volts DC?
2
Is reading above 4.5 volts DC?
34
Action
Yes
EHT sensor circuit OK.
Go to DTC P0118 Non-
Scan Diagnostics.
No
Go to step 2.
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