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BMW Engine Codes

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Engine Code Engine Code Description
P1397Camshaft Position Sensor "B" Circuit (Bank 1)
P1400Heated Catalyst Battery Voltage or Current too Low During Heating (Bank 1)
P1401Heated Catalyst Current too High During Heating (Bank 1)
P1402Heated Catalyst Power Switch Overtemperature Condition (Bank 1)
P1403Carbon Canister Shut Off valve Control Circuit Electrical
P1404Heated Catalyst Current too High During Heating (Bank 2)
P1405Heated Catalyst Power Switch Overtemperature Condition (Bank 2)
P1406Heated Catalyst Internal Control Module Checksum/ROM Error
P1413Secondary Air Injection Pump Relay Control Circuit Signal Low
P1414Secondary Air Injection System Monitor Circuit High
P1420Secondary Air Valve Control Circuit Electrical
P1421Secondary Air System Bank 1
P1422Secondary Air System Bank 2
P1432Secondary Air Injection System Incorrect Flow Detected
P1438Purge Control Valve Control Open Circuit
P1439Purge Control Valve Control Circuit Signal Low
P1440Purge Control Valve Control Circuit Signal High
P1441Leakage Diagnostic Pump Control Open Circuit
P1442Leakage Diagnostic Pump Control Circuit Signal Low
P1443Leakage Diagnostic Pump Control Circuit Signal High
P1444Diagnostic Module Tank Leakage (DM-TL) Pump Control Open Circuit
P1445Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal Low
P1446Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal High
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