Question

a vehicle previously set a diagnostic trouble code (dtc) and themalfunction indicator lamp(mil) was illuminated. the vehicle was repaired and driven for a couple of weeks, but the codes had not been cleared. what type of dtc is stored in the powertrain control module (pcm)?

a. previous code
b. history code
c. pending code
d. current code

Explanation:

• Previous code: Not a standard DTC type in this context.
• History code: When a vehicle was repaired (issue resolved) but codes weren't cleared, the PCM stores it as a history code. It indicates a past - occurred fault.
• Pending code: Indicates a potential fault that hasn't fully manifested (e.g., a sensor reading is slightly out of range but not enough to set a full - blown current code). But here the issue was repaired.
• Current code: Would mean the fault is still present. Since the vehicle was repaired, it's not a current code.

Answer:

B. History code