DTC P0135 Isuzu
HO2S Heater Performance Sensor 1
HO2S Heater Performance Sensor 1
Description
P0135 DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516, P2101, P2119, P2135, P2176 are not set. The ECT Sensor parameter is more than 70°C (158°F). The Ignition 1 Signal parameter is between 10-18 volts. The MAF Sensor parameter is between 5-25 g s. The Engine Run Time parameter is more than 60 seconds. The Engine Speed parameter is between 500-3,000 RPM. DTC P0135 runs the heater current test twice per drive cycle when the above conditions are met for 2 seconds.
Cause and Solution
The ECM detects that the HO2S 1 heater current parameter is more than 2.5 amps or less than 0.25 amp.DTC P0135 sets within 30 seconds during the heater current test when the above condition is met.
Video Guide
Diagnostic Info
- DTC Code: P0135
- Brand: Isuzu