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
DTC Troubleshooting: Notes
DIAGNOSTIC TROUBLE CODES CHART
| DTC | Description |
|---|---|
| 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) |
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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