Odyssey 2007-2008

3.5L V6 VIN - Auto 2

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Trouble Code: P0157



Front Secondary HO2S (Bank 2, Sensor 2) Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the secondary HO2S (Sensor 2) and the PCM
 
"Open" or "Short circuit between the PCM and the secondary HO2S (Sensor 2)
 
Faulty secondary HO2S (Sensor 2)
 
Faulty PCM
 

Trouble Code: P0158



Front Secondary HO2S (Bank 2, Sensor 2) Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the secondary HO2S (Sensor 2) and the PCM
 
"Open" circuit between the PCM and the secondary HO2S (Sensor 2)
 
Faulty (Secondary HO2S (Bank 1, Sensor 2)
 
Faulty PCM
 

Trouble Code: P0159



Front Secondary HO2S (Bank 2, Sensor 2) Slow Response

Possible Causes:



Poor connections or loose terminals at the secondary HO2S (Sensor 2) and the PCM
 
Faulty Front Secondary HO2S (Bank 2, Sensor 2)
 
Faulty PCM
 

Trouble Code: P0161



Front Secondary HO2S (Bank 2, Sensor 2) Heater Circuit Malfunction

Possible Causes:



Poor connections or loose terminals at the front secondary HO2S (Sensor 2), the relay and the PCM
 
"Open" or "Short circuit between the PCM and the front secondary HO2S (Sensor 2)
 
Faulty PCM
 

Trouble Code: P0171



Rear Bank (Bank 1) Fuel System Too Lean

Possible Causes:



Vacuum leaks
 
Clogged fuel filter
 
Faulty fuel pump or regulator
 
Faulty MAF sensor/IAT sensor
 
Faulty EVAP canister purge valve
 
Faulty Throttle body
 
Faulty fuel injectors
 

Trouble Code: P0172



Rear Bank (Bank 1) Fuel System Too Rich

Possible Causes:



Faulty fuel pump or regulator
 
Engine valve clearance
 
Faulty coolant temp sensor
 
Faulty MAF sensor/IAT sensor
 
Faulty EVAP canister purge valve
 
Faulty Throttle body
 
Faulty fuel injectors
 

Trouble Code: P0174



Front Bank (Bank 2) Fuel System Too Lean

Possible Causes:



Vacuum leaks
 
Clogged fuel filter
 
Faulty fuel pump or regulator
 
Faulty MAF sensor/IAT sensor
 
Faulty EVAP canister purge valve
 
Faulty Throttle body
 
Faulty fuel injectors
 

Trouble Code: P0175



Front Bank (Bank 2) Fuel System Too Rich

Possible Causes:



Faulty fuel pump or regulator
 
Engine valve clearance
 
Faulty coolant temp sensor
 
Faulty MAF sensor/IAT sensor
 
Faulty EVAP canister purge valve
 
Faulty Throttle body
 
Faulty fuel injectors
 

Trouble Code: P0222



Throttle Position (TP) Sensor B Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Open" or "Short" circuit between the throttle body and the PCM
 
Faulty throttle body
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0223



Throttle Position (TP) Sensor B Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Open" or "Short" between the throttle body and the PCM
 
PCM may need to be updated with the latest software
 
Faulty throttle body
 
Faulty PCM
 

Trouble Code: P0300



Random Misfire Detected

Possible Causes:



Poor fuel quality
 
Clogged fuel filter
 
Faulty spark plugs
 
Faulty Fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
Check the CKP pattern learn procedure
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0305



Cylinder 5 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0306



Cylinder 6 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0325



Knock Sensor Circuit Malfunction

Possible Causes:



Poor connections or loose terminals at the knock sensor and the PCM
 
"Open" or "Short" circuit between the PCM and the knock sensor sub-harness
 
"Open" or "Short" circuit in the knock sensor subharness
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
Faulty knock sensor
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0335



Crankshaft Position (CKP) Sensor A No Signal

Possible Causes:



Poor connections or loose terminals at CKP sensor A and the PCM
 
"Open" or "Short" in the wire between the PCM and CKP sensor A
 
Faulty CKP sensor A
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0335



Crankshaft Position (CKP) Sensor No Signal

Possible Causes:



Poor connections or loose terminals at the CKP sensor and the PCM
 
"Open" circuit between the CKP sensor and PGM-FI main relay 1
 
"Open" circuit between the CKP sensor and ground
 
"Open" or "Short" circuit between the PCM and the CKP sensor
 
Faulty CKP sensor
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0339



Crankshaft Position (CKP) Sensor A Circuit Intermittent Interruption

Possible Causes:



Poor connections or loose terminals at CKP sensor A/B and the PCM
 
Poor grounds at engine, body, CKP sensor A/B or PCM
 
Damaged CKP sensor A/B pulse plate/timing belt drive pulley
 
Faulty CKP sensor A/B
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0339



Crankshaft Position (CKP) Sensor Circuit Intermittent Interruption

Possible Causes:



Poor connections at the ECM/PCM, CKP sensor, engine ground, body ground
 
Damaged CKP sensor pulse plate
 
Faulty CKP sensor
 

Trouble Code: P0340



Camshaft Position (CMP) Sensor No Signal

Possible Causes:



Poor connections or loose terminals at the CMP sensor and the PCM
 
"Open" circuit between the CMP sensor and PGM-FI main relay
 
"Open" or "Short" circuit between the PCM and the CMP sensor
 
"Open" in the wire between the CMP sensor and ground
 
Faulty CMP sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0344



Camshaft Position (CMP) Sensor Intermittent Interruption

Possible Causes:



Damage to the CMP sensor pulse projection on the front camshaft pulley
 
Poor or loose connections at CMP sensor, PCM, engine ground, body ground
 
Faulty CMP sensor
 

Trouble Code: P0351



Cylinder 1 Ignition Coil Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ignition coil and the PCM
 
"Open" or "Short" circuit between the ignition coils and the ignition coil relay
 
"Open" or "Short" circuit between the ignition coils and the PCM
 
"Open" in the wire between the ignition coil and ground
 
Faulty ignition coil relay
 
Faulty ignition coil
 

Trouble Code: P0352



Cylinder 2 Ignition Coil Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ignition coil and the PCM
 
"Open" or "Short" circuit between the ignition coils and the ignition coil relay
 
"Open" or "Short" circuit between the ignition coils and the PCM
 
"Open" in the wire between the ignition coil and ground
 
Faulty ignition coil relay
 
Faulty ignition coil
 

Trouble Code: P0353



Cylinder 3 Ignition Coil Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ignition coil and the PCM
 
"Open" or "Short" circuit between the ignition coils and the ignition coil relay
 
"Open" or "Short" circuit between the ignition coils and the PCM
 
"Open" in the wire between the ignition coil and ground
 
Faulty ignition coil relay
 
Faulty ignition coil
 

Trouble Code: P0354



Cylinder 4 Ignition Coil Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ignition coil and the PCM
 
"Open" or "Short" circuit between the ignition coils and the ignition coil relay
 
"Open" or "Short" circuit between the ignition coils and the PCM
 
"Open" in the wire between the ignition coil and ground
 
Faulty ignition coil relay
 
Faulty ignition coil
 

Trouble Code: P0355



Cylinder 5 Ignition Coil Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ignition coil and the PCM
 
"Open" or "Short" circuit between the ignition coils and the ignition coil relay
 
"Open" or "Short" circuit between the ignition coils and the PCM
 
"Open" in the wire between the ignition coil and ground
 
Faulty ignition coil relay
 
Faulty ignition coil
 

Trouble Code: P0356



Cylinder 6 Ignition Coil Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose terminals at the ignition coil and the PCM
 
"Open" or "Short" circuit between the ignition coils and the ignition coil relay
 
"Open" or "Short" circuit between the ignition coils and the PCM
 
"Open" in the wire between the ignition coil and ground
 
Faulty ignition coil relay
 
Faulty ignition coil
 

Trouble Code: P0365



Camshaft Position (CMP) Sensor Circuit No Signal

Possible Causes:



Poor connections or loose terminals at the CMP sensor and the PCM
 
"Open" circuit between the CMP sensor and PGM-FI main relay 1
 
"Open" or "Short" circuit between the CMP and the PCM
 
"Open" in the wire between the CMP sensor and ground
 
Faulty CMP sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0369



Camshaft Position (CMP) Sensor Circuit Intermittent Interruption

Possible Causes:



Poor connections or loose terminals at the CMP and the PCM
 
Poor ground connections
 
Damaged front camshaft pulley (CMP pulse plate)
 
Faulty CMP sensor
 

Trouble Code: P0385



Crankshaft Position (CKP) Sensor B No Signal

Possible Causes:



Poor connections or loose terminals at CKP sensor A/B and the PCM
 
"Open" or "Short" in the wire between CKP sensor A/B and the under-hood fuse/relay box (PGM-FI main relay 1)
 
"Open" or "Short" in the wire between the PCM and CKP sensor A/B,
 
Faulty CKP sensor A/B
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0389



Crankshaft Position (CKP) Sensor B Intermittent Interruption

Possible Causes:



Poor connections or loose terminals at CKP sensor A/B and the PCM
 
Poor grounds at engine, body, CKP sensor A/B or PCM
 
Damaged CKP sensor A/B pulse plate/timing belt drive pulley
 
Faulty CKP sensor A/B
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0400



Exhaust Gas Recirculation (EGR) System Leak Detected

Possible Causes:



Loose or damaged EGR pipe
 
Exhaust gas leakage between the EGR pipe and the EGR valve
 
Faulty EGR valve
 

Trouble Code: P0401



Exhaust Gas Recirculation (EGR) Insufficient Flow

Possible Causes:



Clogged intake manifold, and/or EGR ports
 
Poor connections or loose terminals at the EGR valve and the PCM
 
Faulty EGR valve
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0404



Exhaust Gas Recirculation (EGR) Control Circuit Range/Performance Problem

Possible Causes:



Carbon build-up on the EGR valve
 
Faulty EGR valve
 
Poor connections or loose terminals at the EGR valve and the PCM
 
"Short" or "Short" between the PCM and the EGR valve
 
"Open" in the wire between the EGR valve and ground
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0406



Exhaust Gas Recirculation (EGR) Valve Position Sensor Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the EGR valve and the PCM
 
"Open" circuit between the EGR valve and the PCM
 
PCM may need to be updated with the latest software
 
Faulty EGR valve
 
Faulty PCM
 

Trouble Code: P0420



Rear Bank Catalyst System Efficiency Below Threshold (Bank 1)

Possible Causes:



Poor connections or loose terminals at the secondary HO2S (sensor 2) and the PCM
 
Faulty (Bank 1) WU-TWC
 

Trouble Code: P0430



Front Bank Catalyst System Efficiency Below Threshold (Bank 2)

Possible Causes:



Poor connections or loose terminals at the secondary HO2S (sensor 2) and the PCM
 
Faulty (Bank 2) WU-TWC
 

 
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