P1607 – Acura DTC

Acura DTC P1607 – ECM/PCM Internal Circuit Failure

DTC P1607 meaning on Acura

DTC P1607 on an Acura indicates an internal circuit failure within the Engine Control Module (ECM) or Powertrain Control Module (PCM). This fault code is specific to the ECM/PCM and signifies a malfunction in its internal circuitry.

Acura DTC P1607 symptoms

Symptoms of DTC P1607 in an Acura may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Engine running rough or misfiring
• Reduced engine performance
• Difficulty starting the vehicle

Acura DTC P1607 causes

The common causes of DTC P1607 in an Acura are:

• Internal ECM/PCM circuit failure
• Corrosion or poor connections in the ECM/PCM wiring harness
• Faulty ECM/PCM unit

Acura DTC P1607 seriousness

DTC P1607 is a serious issue as it directly affects the ECM/PCM, which is a crucial component of the vehicle’s engine management system. Ignoring this fault code can lead to further engine performance issues and potential drivability problems.

How to diagnose DTC P1607 on Acura

To diagnose DTC P1607 on an Acura, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the ECM/PCM wiring harness for any signs of damage or corrosion
3. Check the ECM/PCM connections for tightness and cleanliness
4. Perform continuity and resistance tests on the ECM/PCM circuits

How to fix DTC P1607 on Acura

To fix DTC P1607 on an Acura, the following steps may be taken:

1. Repair any damaged or corroded wiring in the ECM/PCM harness
2. Clean and secure the connections to the ECM/PCM
3. If the ECM/PCM is faulty, it may need to be replaced
4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P1607 on Acura

To erase DTC P1607 on an Acura, follow these steps:

1. Use a diagnostic scanner to clear the fault code from the ECM/PCM memory
2. After clearing the code, perform a test drive to confirm the repair
3. If the fault code does not return, the issue has been successfully resolved

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