P1624
Malfunction Indicator Lamp Request Signal Active
P1624 is an OBD-II diagnostic trouble code meaning: Malfunction Indicator Lamp Request Signal Active. Common causes: fault in another vehicle module (abs, transmission, etc.), problems with wiring between modules. Estimated repair cost: $6–167.
Symptoms
- Check engine light is on
- Reduced engine power
- Switching to emergency mode
- Other fault codes appear
- Deterioration of vehicle dynamics
Causes
- Fault in another vehicle module (ABS, transmission, etc.)
- Problems with wiring between modules
- Engine control module (ECM) malfunction
- Short circuit in MIL signal circuit
- Problems with power supply or grounding of modules
How to Fix
- Read all trouble codes using an OBD-II scanner
- Check the condition of the wiring between modules
- Check power supply and grounding of all modules
- Diagnose and correct the underlying problem that caused the MIL request
- If necessary, replace the faulty module
Related codes
Error P1624 by Vehicle Brand
FAQ
What does the P1624 code mean?
P1624 is an OBD-II diagnostic trouble code that indicates: Malfunction Indicator Lamp Request Signal Active
What causes a P1624 error code?
The most common causes of P1624 include: Fault in another vehicle module (ABS, transmission, etc.); Problems with wiring between modules; Engine control module (ECM) malfunction; Short circuit in MIL signal circuit.
How do I fix a P1624 diagnostic trouble code?
To fix P1624: Read all trouble codes using an OBD-II scanner. Check the condition of the wiring between modules. Check power supply and grounding of all modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1624?
Yes, but get it checked soon
How much does it cost to fix P1624?
The estimated repair cost for P1624 is $6–167. Actual cost depends on your vehicle, location, and labor rates.
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