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.
2021 Honda Ridgeline RTL-EFACTORY OEM SERVICE PROCEDURE
Engine Mount DTCS
| DTC | Description |
|---|---|
| P0A14 | Front Engine Mount Actuator Circuit Malfunction |
| P0A15 | Front Engine Mount Actuator Control Circuit Low Current |
| P0AB6 | Rear Engine Mount Actuator Circuit Malfunction |
| P0AB7 | Rear Engine Mount Actuator Control Circuit Low Current |
| P150A | Engine Mount Control Unit Internal Circuit Malfunction 1 |
| P150B | Engine Mount Control Unit Internal Circuit Malfunction 2 |
| P150C | Engine Mount Control Unit Internal Circuit Malfunction 3 |
| P150D | Engine Mount Control Unit Internal Circuit Malfunction 4 |
| P150E | Engine Mount Control Unit Internal Circuit Malfunction (SOL Output) |
| P15AB | Engine Mount Control Unit Power Source Circuit Low Voltage |
| P15B0 | CKP Sensor Signal Malfunction |
| P15BE | CMP Sensor Signal Malfunction |
| P15BF | CMP Sensor Signal Intermittent Interruption |
| P15C0 | CKP Sensor Signal Intermittent Interruption |
| P16C4 | Engine Mount Actuator Control Power Circuit Stuck OFF |
| P16C5 | Engine Mount Actuator Control Power Circuit Stuck ON |
| P16C6 | Engine Mount Actuator High Voltage During Function Test |
| U0029 | F-CAN Malfunction (BUS-OFF) |
| U0100 | F-CAN Malfunction (ACM-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.