P0135 and P0155
#2
#6
08 Type-S KBP
To fix this issue
Just had the same issue P0155, P0135 and P0498. The fuse is in the driver side fuse box under the dash by your left foot. The fuse is number 4 on the little chart description thing it is labeled LAF and it is a 15 AMP mini fuse blue in color.
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#8
#10
I am having a similar problem. I was looking for a parasitic draw on the battery and pulling fuses to see when the voltage would drop. After finding the circuit with the draw I noticed my CEL on.
I hooked up my diag tool and see PO135 and PO155. I cleared the fault codes and the immediately return. It seems like something is shorted to me since the faults come back immediately. If the sensors were bad, wouldn't it take a few minutes before the fault registered again? Besides Fuse4 where else should I check?
I hooked up my diag tool and see PO135 and PO155. I cleared the fault codes and the immediately return. It seems like something is shorted to me since the faults come back immediately. If the sensors were bad, wouldn't it take a few minutes before the fault registered again? Besides Fuse4 where else should I check?
#11
06 TL Owner and Comedian
I am having a similar problem. I was looking for a parasitic draw on the battery and pulling fuses to see when the voltage would drop. After finding the circuit with the draw I noticed my CEL on.
I hooked up my diag tool and see PO135 and PO155. I cleared the fault codes and the immediately return. It seems like something is shorted to me since the faults come back immediately. If the sensors were bad, wouldn't it take a few minutes before the fault registered again? Besides Fuse4 where else should I check?
I hooked up my diag tool and see PO135 and PO155. I cleared the fault codes and the immediately return. It seems like something is shorted to me since the faults come back immediately. If the sensors were bad, wouldn't it take a few minutes before the fault registered again? Besides Fuse4 where else should I check?
#12
Codes are for 2 out of 4 sensors, B1S1 and B2S1.
12V is supplied to all 4 of the sensor through one fuse (under-dash #4 15A) and one relay (also under-dash fuse box).
If relay or fuse is bad (for example because of the short somewhere) you would have codes for all 4 sensors.
Need to get to the sensor and check it out. Good heater would have like 2-4 Ohms. If that passes, back probe the sensor's plug when sensor is connected and make sure it had good ground and good 12v. (might need a bi-directional scan tool to actually force the heater close to 100%)
I think upstream sensors might take more current than downstream, so if there's bad ground or bad power supply, those codes will set before downstream oxygen sensors.
12V is supplied to all 4 of the sensor through one fuse (under-dash #4 15A) and one relay (also under-dash fuse box).
If relay or fuse is bad (for example because of the short somewhere) you would have codes for all 4 sensors.
Need to get to the sensor and check it out. Good heater would have like 2-4 Ohms. If that passes, back probe the sensor's plug when sensor is connected and make sure it had good ground and good 12v. (might need a bi-directional scan tool to actually force the heater close to 100%)
I think upstream sensors might take more current than downstream, so if there's bad ground or bad power supply, those codes will set before downstream oxygen sensors.
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Jim2301 (06-06-2022)
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