Code : P1523
Make : ISUZU
Description : P1523 ISUZU Electronic Throttle Control Throttle Return
Possible causes :
– Dead or weak battery
– Faulty Throttle Actuator Control (TAC) module
– Throttle Actuator Control (TAC) module harness is ope or shorted
– Throttle Actuator Control (TAC) module circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.
