Mazda DTC P1788 – 3-2T/CCS Circuit Open
DTC P1788 meaning on Mazda
DTC P1788 on a Mazda refers to the 3-2T/CCS Circuit Open. This diagnostic trouble code indicates that there is an open circuit in the 3-2 shift timing solenoid valve circuit or the coast clutch solenoid circuit.
Mazda DTC P1788 symptoms
Symptoms of DTC P1788 on a Mazda may include harsh shifting, delayed shifting, transmission slipping, poor fuel economy, and in some cases, the transmission may go into a failsafe or limp mode.
Mazda DTC P1788 causes
The common causes of DTC P1788 on a Mazda include a faulty 3-2 shift timing solenoid, a faulty coast clutch solenoid, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module (TCM).
Mazda DTC P1788 seriousness
DTC P1788 should be addressed promptly as it can lead to further transmission issues if left unresolved. Ignoring this code may result in more severe transmission damage and potentially costly repairs.
How to diagnose DTC P1788 on Mazda
To diagnose DTC P1788 on a Mazda, a mechanic should perform a thorough inspection of the 3-2 shift timing solenoid, coast clutch solenoid, wiring harness, and connectors. Using a scan tool to retrieve additional transmission fault codes can also help pinpoint the issue.
How to fix DTC P1788 on Mazda
Fixing DTC P1788 on a Mazda typically involves replacing the faulty 3-2 shift timing solenoid or coast clutch solenoid, repairing any damaged wiring or connectors, and clearing the trouble code from the TCM memory.
How to erase DTC P1788 on Mazda
To erase DTC P1788 on a Mazda, a scan tool capable of clearing transmission fault codes should be used. Once the underlying issue has been addressed and fixed, the code can be cleared from the TCM memory, resetting the system.