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The code P0135 indicates an issue with the heated O2 sensor. Here is a list of possible causes.
P0135 HONDA - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 Read more: https://www.autocodes.com/p0135_honda.html
The code P0498 indicates an issue with the EVAP system canister vent. Here is a list of possible causes.
P0498 HONDA - Evaporative Emission System Canister Vent Shut Valve Control Circuit Low Voltage Read more: https://www.autocodes.com/p0498_honda.html
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