Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Honda Pilot EXFACTORY OEM SERVICE PROCEDURE
PGM-FI System
- Component Location Index
- DTC Troubleshooting
- Notes
- DTC P0107: MAP Sensor Circuit Low Voltage
- DTC P0108: MAP Sensor Circuit High Voltage
- DTC P0111: IAT Sensor Circuit Range/Performance Problem
- DTC P0112: IAT Sensor Circuit Low Voltage
- DTC P0113: IAT Sensor Circuit High Voltage
- DTC P0116: ECT Sensor 1 Range/Performance Problem
- DTC P0117: ECT Sensor 1 Circuit Low Voltage
- DTC P0118: ECT Sensor 1 Circuit High Voltage
- DTC P0125: ECT Sensor 1 Malfunction/Slow Response
- DTC P0128: Cooling System Malfunction
- DTC P0133, P0153: Rear/Front A/F Sensor (Bank 2, Sensor 1) Slow Response
- DTC P0134, P0154: Rear/Front A/F Sensor (Bank 2, Sensor 1) Heater System Malfunction
- DTC P0135, P0155: Rear/Front A/F sensor (Bank 2, Sensor 1) Heater Circuit Malfunction
- DTC P0137, P0157: Rear/Front Secondary HO2S (Bank 2, Sensor 2) Circuit Low Voltage
- DTC P0138, P0158: Rear/Front Secondary HO2S (Bank 2, Sensor 2) Circuit High Voltage
- DTC P0139, P0159: Rear/Front Secondary HO2S (Bank 2, Sensor 2) Slow Response
- DTC P0141, P0161: Rear/Front Secondary HO2S (Bank 2, Sensor 2) Heater Circuit Malfunction
- DTC P0171, P0172, P0174, P0175: Rear Bank (Bank 1) Fuel System Too Lean/Rich; Front Bank (Bank 2) Fuel System Too Lean/Rich
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: Random Misfire Detected and Any Combination of the Following: DTC : No. 1-6 Cylinder Misfire Detected
- DTC P0301, P0302, P0303, P0304, P0305, P0306: No. 1-6 Cylinder Misfire Detected
- DTC P0325: Knock Sensor Circuit Malfunction
- DTC P0335, P0385: CKP Sensor A/B No Signal
- DTC P0339, P0389: CKP Sensor A/B Intermittent Interruption
- DTC P0340: CMP Sensor No Signal
- DTC P0344: CMP Sensor Intermittent Interruption
- DTC P0562: Charging System Low Voltage
- DTC P0563: PCM Power Source Circuit Unexpected Voltage
- DTC P0602: PCM Programming Error
- DTC P0603: PCM Internal Control Module (Keep Alive Memory (KAM) Error)
- DTC P0630: VIN Not Programmed or Mismatch
- DTC P0641: Sensor Reference Voltage A Malfunction
- DTC P0685: PCM Power Control Circuit Malfunction
- DTC P1109: BARO Sensor Circuit Out of Range High
- DTC P1116: ECT Sensor 1 Performance Problem
- DTC P1128: MAP Sensor Signal Lower Than Expected
- DTC P1129: MAP Sensor Signal Higher than Expected
- DTC P1172, P1174: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) Out of Range High
- DTC P1297: ELD Circuit Low Voltage
- DTC P1298: ELD Circuit High Voltage
- DTC P1549: Charging System High Voltage
- DTC P16BB: Alternator B Terminal Circuit Low Voltage
- DTC P16BC: Alternator FR Terminal Circuit/IGP Circuit Low Voltage
- DTC P2183: ECT Sensor 2 Circuit Range/Performance Problem
- DTC P2184: ECT Sensor 2 Circuit Low Voltage
- DTC P2185: ECT Sensor 2 Circuit High Voltage
- DTC P2195, P2197: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) Signal Stuck Lean
- DTC P2227: BARO Sensor Range/Performance Problem
- DTC P2228: BARO Sensor Circuit Low Voltage
- DTC P2229: BARO Sensor Circuit High Voltage
- DTC P2237, P2240: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) IP Line High Voltage
- DTC P2238, P2241: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) IP Line Low Voltage
- DTC P2243, P2247: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) VCENT Line High Voltage
- DTC P2245, P2249: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) VCENT Line Low Voltage
- DTC P2251, P2254: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) VS Line High Voltage
- DTC P2252, P2255: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) VS Line Low Voltage
- DTC P2270, P2271, P2272, P2273: Rear Secondary HO2S (Bank 1, Sensor 2) Circuit Signal Stuck Lean/Rich; Front Secondary HO2S (Bank 2, Sensor 2) Circuit Signal Stuck Lean/Rich
- DTC P2610: PCM Internal Power Off Timer Performance Problem
- DTC P2627, P2630: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) LABEL Circuit Low Voltage
- DTC P2628, P2631: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) LABEL Circuit High Voltage
- DTC P2A00, P2A03: Rear/Front A/F Sensor (Bank 1 & 2, Sensor 1) Range/Performance Problem
- DTC U0073, U0155: F-CAN Malfunction (Bus-Off); F-CAN Malfunction (Gauge Control Module-PCM)
- DTC U0114: F-CAN Malfunction (VTM-4 Control Unit)
- DTC U0122: F-CAN Malfunction (VSA-PCM)
- MIL Circuit Troubleshooting
- DLC Circuit Troubleshooting
- Injector Replacement
- A/F Sensor Replacement
- Secondary HO2S Replacement
- Ect Sensor 1 Replacement
- Ect Sensor 2 Replacement
- Knock Sensor Replacement
- IAT Sensor Replacement
- CKP Sensor Replacement
- CMP Sensor Replacement
- PCM Replacement
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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