Diagnostic trouble code (DTC) information ECM-982A

Condition 

Fig 1: Identifying Engine Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) ECM-982A is stored if the engine control module (ECM) registers an internal fault in one of the internal monitoring functions in the engine control module (ECM). The diagnostic trouble code (DTC) is diagnosed at ignition on or with the engine running.

This diagnostic trouble code (DTC) is normally always stored when one of diagnostic trouble codes (DTC) ECM-983A, ECM-984A, ECM-985A, ECM-986A or ECM-988A is stored in the engine control module (ECM).

Substitute Value 

None.

Possible Source 

• One of diagnostic trouble codes (DTC) ECM-983A, ECM-984A, ECM-985A, ECM-986A or ECM-988A is stored in the engine control module (ECM)
• Defective engine control module (ECM).

Fault symptom[s] 

• Driving/Poor performance/lacks power
• Idling/Uneven idle
• Driving/Hesitates/surges/During acceleration
• Driving/Hesitates/surges/During deceleration
• Cruise control/Does not engage
• Warning lights and chimes/Electronic Throttle System (ETS) indication/no indication