LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2003 >> ZX2 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 573 (Anti-Theft System - Pats) >> Diagnosis And Testing >> Anti-Theft - Passive >> Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2004 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Source Action
B1213 Anti-theft number of programmed encoded ignition keys below minimum PCM Program additional keys. For additional information, refer to KEY PROGRAMMING USING TWO PROGRAMMED KEYS  . TEST the system for normal operation.
B2103 Antenna not connected PCM Go To PINPOINT TEST A: DTC B2103 ANTENNA NOT CONNECTED  .
B1600 No key code received PCM Go To PINPOINT TEST B: DTC B1600 NO KEY CODE RECEIVED  .
B1601 Incorrect key code received PCM Go To PINPOINT TEST C: DTC B1601 INCORRECT KEY CODE RECEIVED  .
B1602 Invalid key code format from encoded ignition key transponder PCM Go To PINPOINT TEST D: DTC B1602 INVALID KEY CODE FORMAT FROM ENCODED IGNITION KEY TRANSPONDER  .
B1681 PATS transceiver signal is not received PCM Go To PINPOINT TEST E: DTC B1681 PATS TRANSCEIVER SIGNAL IS NOT RECEIVED  .
B2431 Transponder programming failure PCM Program an additional key. For additional information, refer to KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT  . TEST the system for normal operation.
B1342 PCM is defective PCM INSTALL a new PCM REFER to POWERTRAIN CONTROL MODULE (PCM) . CLEAR the DTCs. REPEAT the self-test.
- All other DTCs   REFER to MULTIFUNCTION ELECTRONIC MODULE . TEST the system for normal operation.