DTC B1475 Dodge
HO2S Delayed Response Rich to Lean Bank 2 Sensor 2
HO2S Delayed Response Rich to Lean Bank 2 Sensor 2
Description
Before the ECM can reports that DTC P013A, P013C, P013E, or P014A failed, DTCs P0030, P0031, P0032, P0050, P0051, P0052, P0135, and P0155 must run and pass. DTC P0036, P0037, P0038, P056, P0057, P0058, P0137, P0138, P0140, P0141, P0157, P0158, P0160, P0161, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0442, P0443, P0455, P0458, P0459, P2096, P2097, P2098, P2099, P2177, P2178, P2179, P2088, P2089, P2090, P2232, P2235, P2270, P2271, P2272, or P2273 is not set. The ignition voltage is greater than 10 volts. The HO2S 1 and 2 are in closed loop. The HO2S 2 resistance is less than 900 ohms. The HO2S 2 has switched from lean to rich during the ignition cycle. The calculated exhaust gas mass flow rate is greater than 2.22 g s. The calculated exhaust gas temperature for HO2S 2 is warmer than 450°C (842°F). The HO2S 1 signal voltage is less than 141 mV The HO2S 2 signal voltage is greater than 590 mV at the beginning of decel fuel cut-off - DTC P013E and P014A only. The DTCs run continuously once the conditions above exist for greater than 4 seconds.
Cause and Solution
P013E or P014AThe ECM determines the time for the HO2S 2 to transition from greater than 590 mV to less than 140 mV, during decel fuel cut-off is greater than 4 seconds. The condition exists for greater than 4 seconds or for a cumulative time of 30 seconds.ORThe ECM determines that the air flow into the engine exceeded 15 grams before the HO2S 2 transitions to less than 140 mV, during decel fuel cut-off. The condition exists for greater than 4 seconds or for a cumulative time of 30 seconds.
Video Guide
Diagnostic Info
- DTC Code: B1475
- Brand: Dodge